Home / 21,423.23-32,134.51-5,840.86

Finding the Fourth Proportional to 21,423.23, 32,134.51 and 5,840.86

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Solution

The fourth proportional to 21,423.23, 32,134.51 and 5,840.86 is: 8,761.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,423.23 : 32,134.51 = 5,840.86 : x
  2. Step 2: Convert to fraction form
    21,423.23/32,134.51 = 5,840.86/x
  3. Step 3: Cross multiply
    21,423.23x = 32,134.51 × 5,840.86
  4. Step 4: Simplify right side
    21,423.23x = 187,692,984.20
  5. Step 5: Solve for x
    x = 187,692,984.20/21,423.23
  6. Step 6: Final answer
    x = 8,761.19

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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.