Home / 14,397.39-21,590.38-6,999.66

Finding the Fourth Proportional to 14,397.39, 21,590.38 and 6,999.66

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Solution

The fourth proportional to 14,397.39, 21,590.38 and 6,999.66 is: 10,496.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,397.39 : 21,590.38 = 6,999.66 : x
  2. Step 2: Convert to fraction form
    14,397.39/21,590.38 = 6,999.66/x
  3. Step 3: Cross multiply
    14,397.39x = 21,590.38 × 6,999.66
  4. Step 4: Simplify right side
    14,397.39x = 151,125,319.27
  5. Step 5: Solve for x
    x = 151,125,319.27/14,397.39
  6. Step 6: Final answer
    x = 10,496.72

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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.