Home / 10,561.28-15,847.32-7,053.68

Finding the Fourth Proportional to 10,561.28, 15,847.32 and 7,053.68

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Solution

The fourth proportional to 10,561.28, 15,847.32 and 7,053.68 is: 10,584.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,561.28 : 15,847.32 = 7,053.68 : x
  2. Step 2: Convert to fraction form
    10,561.28/15,847.32 = 7,053.68/x
  3. Step 3: Cross multiply
    10,561.28x = 15,847.32 × 7,053.68
  4. Step 4: Simplify right side
    10,561.28x = 111,781,924.14
  5. Step 5: Solve for x
    x = 111,781,924.14/10,561.28
  6. Step 6: Final answer
    x = 10,584.13

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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.