Home / 14,658.57-21,987.58-3,565.18

Finding the Fourth Proportional to 14,658.57, 21,987.58 and 3,565.18

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Solution

The fourth proportional to 14,658.57, 21,987.58 and 3,565.18 is: 5,347.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,658.57 : 21,987.58 = 3,565.18 : x
  2. Step 2: Convert to fraction form
    14,658.57/21,987.58 = 3,565.18/x
  3. Step 3: Cross multiply
    14,658.57x = 21,987.58 × 3,565.18
  4. Step 4: Simplify right side
    14,658.57x = 78,389,680.46
  5. Step 5: Solve for x
    x = 78,389,680.46/14,658.57
  6. Step 6: Final answer
    x = 5,347.70

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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.