Home / 21,454.76-32,157.24-12,697.04

Finding the Fourth Proportional to 21,454.76, 32,157.24 and 12,697.04

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Solution

The fourth proportional to 21,454.76, 32,157.24 and 12,697.04 is: 19,030.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,454.76 : 32,157.24 = 12,697.04 : x
  2. Step 2: Convert to fraction form
    21,454.76/32,157.24 = 12,697.04/x
  3. Step 3: Cross multiply
    21,454.76x = 32,157.24 × 12,697.04
  4. Step 4: Simplify right side
    21,454.76x = 408,301,762.57
  5. Step 5: Solve for x
    x = 408,301,762.57/21,454.76
  6. Step 6: Final answer
    x = 19,030.82

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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.