Home / 14,732.72-20,331.59-8,018.79

Finding the Fourth Proportional to 14,732.72, 20,331.59 and 8,018.79

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Solution

The fourth proportional to 14,732.72, 20,331.59 and 8,018.79 is: 11,066.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,732.72 : 20,331.59 = 8,018.79 : x
  2. Step 2: Convert to fraction form
    14,732.72/20,331.59 = 8,018.79/x
  3. Step 3: Cross multiply
    14,732.72x = 20,331.59 × 8,018.79
  4. Step 4: Simplify right side
    14,732.72x = 163,034,710.48
  5. Step 5: Solve for x
    x = 163,034,710.48/14,732.72
  6. Step 6: Final answer
    x = 11,066.17

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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.