Home / 10,124.40-13,973.40-7,479.48

Finding the Fourth Proportional to 10,124.40, 13,973.40 and 7,479.48

Calculator

Solution

The fourth proportional to 10,124.40, 13,973.40 and 7,479.48 is: 10,322.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,124.40 : 13,973.40 = 7,479.48 : x
  2. Step 2: Convert to fraction form
    10,124.40/13,973.40 = 7,479.48/x
  3. Step 3: Cross multiply
    10,124.40x = 13,973.40 × 7,479.48
  4. Step 4: Simplify right side
    10,124.40x = 104,513,765.83
  5. Step 5: Solve for x
    x = 104,513,765.83/10,124.40
  6. Step 6: Final answer
    x = 10,322.96

Related Problems

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.