Home / 14,968.53-20,655.87-8,590.70

Finding the Fourth Proportional to 14,968.53, 20,655.87 and 8,590.70

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Solution

The fourth proportional to 14,968.53, 20,655.87 and 8,590.70 is: 11,854.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,968.53 : 20,655.87 = 8,590.70 : x
  2. Step 2: Convert to fraction form
    14,968.53/20,655.87 = 8,590.70/x
  3. Step 3: Cross multiply
    14,968.53x = 20,655.87 × 8,590.70
  4. Step 4: Simplify right side
    14,968.53x = 177,448,279.13
  5. Step 5: Solve for x
    x = 177,448,279.13/14,968.53
  6. Step 6: Final answer
    x = 11,854.76

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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.