Home / 18,897.13-28,345.96-6,585.13

Finding the Fourth Proportional to 18,897.13, 28,345.96 and 6,585.13

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Solution

The fourth proportional to 18,897.13, 28,345.96 and 6,585.13 is: 9,877.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,897.13 : 28,345.96 = 6,585.13 : x
  2. Step 2: Convert to fraction form
    18,897.13/28,345.96 = 6,585.13/x
  3. Step 3: Cross multiply
    18,897.13x = 28,345.96 × 6,585.13
  4. Step 4: Simplify right side
    18,897.13x = 186,661,689.85
  5. Step 5: Solve for x
    x = 186,661,689.85/18,897.13
  6. Step 6: Final answer
    x = 9,877.78

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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.