Home / 14,669.80-20,237.97-9,818.71

Finding the Fourth Proportional to 14,669.80, 20,237.97 and 9,818.71

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Solution

The fourth proportional to 14,669.80, 20,237.97 and 9,818.71 is: 13,545.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,669.80 : 20,237.97 = 9,818.71 : x
  2. Step 2: Convert to fraction form
    14,669.80/20,237.97 = 9,818.71/x
  3. Step 3: Cross multiply
    14,669.80x = 20,237.97 × 9,818.71
  4. Step 4: Simplify right side
    14,669.80x = 198,710,758.42
  5. Step 5: Solve for x
    x = 198,710,758.42/14,669.80
  6. Step 6: Final answer
    x = 13,545.57

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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.