Home / 14,194.46-19,581.76-9,160.28

Finding the Fourth Proportional to 14,194.46, 19,581.76 and 9,160.28

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Solution

The fourth proportional to 14,194.46, 19,581.76 and 9,160.28 is: 12,636.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,194.46 : 19,581.76 = 9,160.28 : x
  2. Step 2: Convert to fraction form
    14,194.46/19,581.76 = 9,160.28/x
  3. Step 3: Cross multiply
    14,194.46x = 19,581.76 × 9,160.28
  4. Step 4: Simplify right side
    14,194.46x = 179,374,404.49
  5. Step 5: Solve for x
    x = 179,374,404.49/14,194.46
  6. Step 6: Final answer
    x = 12,636.93

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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.