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Finding the Fourth Proportional to 18,068.13, 27,113.76 and 9,753.94

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Solution

The fourth proportional to 18,068.13, 27,113.76 and 9,753.94 is: 14,637.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,068.13 : 27,113.76 = 9,753.94 : x
  2. Step 2: Convert to fraction form
    18,068.13/27,113.76 = 9,753.94/x
  3. Step 3: Cross multiply
    18,068.13x = 27,113.76 × 9,753.94
  4. Step 4: Simplify right side
    18,068.13x = 264,465,852.65
  5. Step 5: Solve for x
    x = 264,465,852.65/18,068.13
  6. Step 6: Final answer
    x = 14,637.15

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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.