Home / 18,345.65-27,516.13-5,864.63

Finding the Fourth Proportional to 18,345.65, 27,516.13 and 5,864.63

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Solution

The fourth proportional to 18,345.65, 27,516.13 and 5,864.63 is: 8,796.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,345.65 : 27,516.13 = 5,864.63 : x
  2. Step 2: Convert to fraction form
    18,345.65/27,516.13 = 5,864.63/x
  3. Step 3: Cross multiply
    18,345.65x = 27,516.13 × 5,864.63
  4. Step 4: Simplify right side
    18,345.65x = 161,371,975.61
  5. Step 5: Solve for x
    x = 161,371,975.61/18,345.65
  6. Step 6: Final answer
    x = 8,796.20

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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.