Home / 21,560.67-32,346.38-7,520.90

Finding the Fourth Proportional to 21,560.67, 32,346.38 and 7,520.90

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Solution

The fourth proportional to 21,560.67, 32,346.38 and 7,520.90 is: 11,283.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,560.67 : 32,346.38 = 7,520.90 : x
  2. Step 2: Convert to fraction form
    21,560.67/32,346.38 = 7,520.90/x
  3. Step 3: Cross multiply
    21,560.67x = 32,346.38 × 7,520.90
  4. Step 4: Simplify right side
    21,560.67x = 243,273,746.41
  5. Step 5: Solve for x
    x = 243,273,746.41/21,560.67
  6. Step 6: Final answer
    x = 11,283.22

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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.