Home / 51,460-77,190-12,548

Finding the Fourth Proportional to 51,460, 77,190 and 12,548

Calculator

Solution

The fourth proportional to 51,460, 77,190 and 12,548 is: 18,822

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,460 : 77,190 = 12,548 : x
  2. Step 2: Convert to fraction form
    51,460/77,190 = 12,548/x
  3. Step 3: Cross multiply
    51,460x = 77,190 × 12,548
  4. Step 4: Simplify right side
    51,460x = 968,580,120
  5. Step 5: Solve for x
    x = 968,580,120/51,460
  6. Step 6: Final answer
    x = 18,822

Related Problems

Find fourth proportional to 25,730, 38,595 and 6,274
Half scale
Find fourth proportional to 102,920, 154,380 and 25,096
Double scale
Find fourth proportional to 51,461, 77,191.50 and 12,549
Similar ratio
Find fourth proportional to 77,190, 115,785 and 18,822
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.