Home / 16,620.95-22,931.16-10,655.91

Finding the Fourth Proportional to 16,620.95, 22,931.16 and 10,655.91

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Solution

The fourth proportional to 16,620.95, 22,931.16 and 10,655.91 is: 14,701.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,620.95 : 22,931.16 = 10,655.91 : x
  2. Step 2: Convert to fraction form
    16,620.95/22,931.16 = 10,655.91/x
  3. Step 3: Cross multiply
    16,620.95x = 22,931.16 × 10,655.91
  4. Step 4: Simplify right side
    16,620.95x = 244,352,377.16
  5. Step 5: Solve for x
    x = 244,352,377.16/16,620.95
  6. Step 6: Final answer
    x = 14,701.47

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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.