Home / 14,689.92-20,277.48-10,731.36

Finding the Fourth Proportional to 14,689.92, 20,277.48 and 10,731.36

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Solution

The fourth proportional to 14,689.92, 20,277.48 and 10,731.36 is: 14,813.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,689.92 : 20,277.48 = 10,731.36 : x
  2. Step 2: Convert to fraction form
    14,689.92/20,277.48 = 10,731.36/x
  3. Step 3: Cross multiply
    14,689.92x = 20,277.48 × 10,731.36
  4. Step 4: Simplify right side
    14,689.92x = 217,604,937.77
  5. Step 5: Solve for x
    x = 217,604,937.77/14,689.92
  6. Step 6: Final answer
    x = 14,813.21

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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.