Home / 14,540.20-21,767.10-9,615.40

Finding the Fourth Proportional to 14,540.20, 21,767.10 and 9,615.40

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Solution

The fourth proportional to 14,540.20, 21,767.10 and 9,615.40 is: 14,394.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,540.20 : 21,767.10 = 9,615.40 : x
  2. Step 2: Convert to fraction form
    14,540.20/21,767.10 = 9,615.40/x
  3. Step 3: Cross multiply
    14,540.20x = 21,767.10 × 9,615.40
  4. Step 4: Simplify right side
    14,540.20x = 209,299,373.34
  5. Step 5: Solve for x
    x = 209,299,373.34/14,540.20
  6. Step 6: Final answer
    x = 14,394.53

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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.