Home / 15,655.10-21,614.73-10,940.90

Finding the Fourth Proportional to 15,655.10, 21,614.73 and 10,940.90

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Solution

The fourth proportional to 15,655.10, 21,614.73 and 10,940.90 is: 15,105.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,655.10 : 21,614.73 = 10,940.90 : x
  2. Step 2: Convert to fraction form
    15,655.10/21,614.73 = 10,940.90/x
  3. Step 3: Cross multiply
    15,655.10x = 21,614.73 × 10,940.90
  4. Step 4: Simplify right side
    15,655.10x = 236,484,599.46
  5. Step 5: Solve for x
    x = 236,484,599.46/15,655.10
  6. Step 6: Final answer
    x = 15,105.91

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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.