Home / 14,279.15-19,702.49-9,242.67

Finding the Fourth Proportional to 14,279.15, 19,702.49 and 9,242.67

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Solution

The fourth proportional to 14,279.15, 19,702.49 and 9,242.67 is: 12,753.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,279.15 : 19,702.49 = 9,242.67 : x
  2. Step 2: Convert to fraction form
    14,279.15/19,702.49 = 9,242.67/x
  3. Step 3: Cross multiply
    14,279.15x = 19,702.49 × 9,242.67
  4. Step 4: Simplify right side
    14,279.15x = 182,103,613.25
  5. Step 5: Solve for x
    x = 182,103,613.25/14,279.15
  6. Step 6: Final answer
    x = 12,753.11

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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.