Home / 15,244.76-21,038.08-9,194.97

Finding the Fourth Proportional to 15,244.76, 21,038.08 and 9,194.97

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Solution

The fourth proportional to 15,244.76, 21,038.08 and 9,194.97 is: 12,689.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,244.76 : 21,038.08 = 9,194.97 : x
  2. Step 2: Convert to fraction form
    15,244.76/21,038.08 = 9,194.97/x
  3. Step 3: Cross multiply
    15,244.76x = 21,038.08 × 9,194.97
  4. Step 4: Simplify right side
    15,244.76x = 193,444,469.26
  5. Step 5: Solve for x
    x = 193,444,469.26/15,244.76
  6. Step 6: Final answer
    x = 12,689.25

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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.