Home / 22,630-31,229.40-13,798

Finding the Fourth Proportional to 22,630, 31,229.40 and 13,798

Calculator

Solution

The fourth proportional to 22,630, 31,229.40 and 13,798 is: 19,041.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,630 : 31,229.40 = 13,798 : x
  2. Step 2: Convert to fraction form
    22,630/31,229.40 = 13,798/x
  3. Step 3: Cross multiply
    22,630x = 31,229.40 × 13,798
  4. Step 4: Simplify right side
    22,630x = 430,903,261.20
  5. Step 5: Solve for x
    x = 430,903,261.20/22,630
  6. Step 6: Final answer
    x = 19,041.24

Related Problems

Find fourth proportional to 11,315, 15,614.70 and 6,899
Half scale
Find fourth proportional to 45,260, 62,458.80 and 27,596
Double scale
Find fourth proportional to 22,631, 31,230.78 and 13,799
Similar ratio
Find fourth proportional to 33,945, 46,844.10 and 20,697
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.