Home / 14,279.41-19,702.86-9,242.94

Finding the Fourth Proportional to 14,279.41, 19,702.86 and 9,242.94

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Solution

The fourth proportional to 14,279.41, 19,702.86 and 9,242.94 is: 12,753.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,279.41 : 19,702.86 = 9,242.94 : x
  2. Step 2: Convert to fraction form
    14,279.41/19,702.86 = 9,242.94/x
  3. Step 3: Cross multiply
    14,279.41x = 19,702.86 × 9,242.94
  4. Step 4: Simplify right side
    14,279.41x = 182,112,238.79
  5. Step 5: Solve for x
    x = 182,112,238.79/14,279.41
  6. Step 6: Final answer
    x = 12,753.48

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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.