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Finding the Fourth Proportional to 14,983.76, 22,477.98 and 6,666.68

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Solution

The fourth proportional to 14,983.76, 22,477.98 and 6,666.68 is: 10,001.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,983.76 : 22,477.98 = 6,666.68 : x
  2. Step 2: Convert to fraction form
    14,983.76/22,477.98 = 6,666.68/x
  3. Step 3: Cross multiply
    14,983.76x = 22,477.98 × 6,666.68
  4. Step 4: Simplify right side
    14,983.76x = 149,853,499.71
  5. Step 5: Solve for x
    x = 149,853,499.71/14,983.76
  6. Step 6: Final answer
    x = 10,001.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.