Home / 14,890.59-20,545.16-8,918.06

Finding the Fourth Proportional to 14,890.59, 20,545.16 and 8,918.06

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Solution

The fourth proportional to 14,890.59, 20,545.16 and 8,918.06 is: 12,304.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,890.59 : 20,545.16 = 8,918.06 : x
  2. Step 2: Convert to fraction form
    14,890.59/20,545.16 = 8,918.06/x
  3. Step 3: Cross multiply
    14,890.59x = 20,545.16 × 8,918.06
  4. Step 4: Simplify right side
    14,890.59x = 183,222,822.27
  5. Step 5: Solve for x
    x = 183,222,822.27/14,890.59
  6. Step 6: Final answer
    x = 12,304.60

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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.