Home / 22,822.66-34,205.72-12,931.96

Finding the Fourth Proportional to 22,822.66, 34,205.72 and 12,931.96

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Solution

The fourth proportional to 22,822.66, 34,205.72 and 12,931.96 is: 19,381.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,822.66 : 34,205.72 = 12,931.96 : x
  2. Step 2: Convert to fraction form
    22,822.66/34,205.72 = 12,931.96/x
  3. Step 3: Cross multiply
    22,822.66x = 34,205.72 × 12,931.96
  4. Step 4: Simplify right side
    22,822.66x = 442,347,002.81
  5. Step 5: Solve for x
    x = 442,347,002.81/22,822.66
  6. Step 6: Final answer
    x = 19,381.92

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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.