Home / 23,776.79-32,809.10-13,165.74

Finding the Fourth Proportional to 23,776.79, 32,809.10 and 13,165.74

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Solution

The fourth proportional to 23,776.79, 32,809.10 and 13,165.74 is: 18,167.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,776.79 : 32,809.10 = 13,165.74 : x
  2. Step 2: Convert to fraction form
    23,776.79/32,809.10 = 13,165.74/x
  3. Step 3: Cross multiply
    23,776.79x = 32,809.10 × 13,165.74
  4. Step 4: Simplify right side
    23,776.79x = 431,956,088.46
  5. Step 5: Solve for x
    x = 431,956,088.46/23,776.79
  6. Step 6: Final answer
    x = 18,167.13

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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.