Home / 15,638.76-23,402.73-13,793.48

Finding the Fourth Proportional to 15,638.76, 23,402.73 and 13,793.48

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Solution

The fourth proportional to 15,638.76, 23,402.73 and 13,793.48 is: 20,641.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,638.76 : 23,402.73 = 13,793.48 : x
  2. Step 2: Convert to fraction form
    15,638.76/23,402.73 = 13,793.48/x
  3. Step 3: Cross multiply
    15,638.76x = 23,402.73 × 13,793.48
  4. Step 4: Simplify right side
    15,638.76x = 322,805,088.20
  5. Step 5: Solve for x
    x = 322,805,088.20/15,638.76
  6. Step 6: Final answer
    x = 20,641.35

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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.