Home / 21,632.04-32,434.92-8,468.64

Finding the Fourth Proportional to 21,632.04, 32,434.92 and 8,468.64

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Solution

The fourth proportional to 21,632.04, 32,434.92 and 8,468.64 is: 12,697.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,632.04 : 32,434.92 = 8,468.64 : x
  2. Step 2: Convert to fraction form
    21,632.04/32,434.92 = 8,468.64/x
  3. Step 3: Cross multiply
    21,632.04x = 32,434.92 × 8,468.64
  4. Step 4: Simplify right side
    21,632.04x = 274,679,660.91
  5. Step 5: Solve for x
    x = 274,679,660.91/21,632.04
  6. Step 6: Final answer
    x = 12,697.82

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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.