Home / 14,702.12-20,279.94-10,503.08

Finding the Fourth Proportional to 14,702.12, 20,279.94 and 10,503.08

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Solution

The fourth proportional to 14,702.12, 20,279.94 and 10,503.08 is: 14,487.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,702.12 : 20,279.94 = 10,503.08 : x
  2. Step 2: Convert to fraction form
    14,702.12/20,279.94 = 10,503.08/x
  3. Step 3: Cross multiply
    14,702.12x = 20,279.94 × 10,503.08
  4. Step 4: Simplify right side
    14,702.12x = 213,001,832.22
  5. Step 5: Solve for x
    x = 213,001,832.22/14,702.12
  6. Step 6: Final answer
    x = 14,487.83

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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.