Home / 14,279.34-21,424.08-6,381.13

Finding the Fourth Proportional to 14,279.34, 21,424.08 and 6,381.13

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Solution

The fourth proportional to 14,279.34, 21,424.08 and 6,381.13 is: 9,573.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,279.34 : 21,424.08 = 6,381.13 : x
  2. Step 2: Convert to fraction form
    14,279.34/21,424.08 = 6,381.13/x
  3. Step 3: Cross multiply
    14,279.34x = 21,424.08 × 6,381.13
  4. Step 4: Simplify right side
    14,279.34x = 136,709,839.61
  5. Step 5: Solve for x
    x = 136,709,839.61/14,279.34
  6. Step 6: Final answer
    x = 9,573.96

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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.