Home / 15,614.16-21,555.36-10,604.88

Finding the Fourth Proportional to 15,614.16, 21,555.36 and 10,604.88

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Solution

The fourth proportional to 15,614.16, 21,555.36 and 10,604.88 is: 14,640.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,614.16 : 21,555.36 = 10,604.88 : x
  2. Step 2: Convert to fraction form
    15,614.16/21,555.36 = 10,604.88/x
  3. Step 3: Cross multiply
    15,614.16x = 21,555.36 × 10,604.88
  4. Step 4: Simplify right side
    15,614.16x = 228,592,006.16
  5. Step 5: Solve for x
    x = 228,592,006.16/15,614.16
  6. Step 6: Final answer
    x = 14,640.05

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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.