Home / 10,342.15-14,257.98-9,291.25

Finding the Fourth Proportional to 10,342.15, 14,257.98 and 9,291.25

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Solution

The fourth proportional to 10,342.15, 14,257.98 and 9,291.25 is: 12,809.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342.15 : 14,257.98 = 9,291.25 : x
  2. Step 2: Convert to fraction form
    10,342.15/14,257.98 = 9,291.25/x
  3. Step 3: Cross multiply
    10,342.15x = 14,257.98 × 9,291.25
  4. Step 4: Simplify right side
    10,342.15x = 132,474,456.68
  5. Step 5: Solve for x
    x = 132,474,456.68/10,342.15
  6. Step 6: Final answer
    x = 12,809.18

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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.