Home / 14,279.18-19,702.53-9,242.70

Finding the Fourth Proportional to 14,279.18, 19,702.53 and 9,242.70

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Solution

The fourth proportional to 14,279.18, 19,702.53 and 9,242.70 is: 12,753.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,279.18 : 19,702.53 = 9,242.70 : x
  2. Step 2: Convert to fraction form
    14,279.18/19,702.53 = 9,242.70/x
  3. Step 3: Cross multiply
    14,279.18x = 19,702.53 × 9,242.70
  4. Step 4: Simplify right side
    14,279.18x = 182,104,574.03
  5. Step 5: Solve for x
    x = 182,104,574.03/14,279.18
  6. Step 6: Final answer
    x = 12,753.15

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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.