Home / 22,312.80-33,431.40-14,811.12

Finding the Fourth Proportional to 22,312.80, 33,431.40 and 14,811.12

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Solution

The fourth proportional to 22,312.80, 33,431.40 and 14,811.12 is: 22,191.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,312.80 : 33,431.40 = 14,811.12 : x
  2. Step 2: Convert to fraction form
    22,312.80/33,431.40 = 14,811.12/x
  3. Step 3: Cross multiply
    22,312.80x = 33,431.40 × 14,811.12
  4. Step 4: Simplify right side
    22,312.80x = 495,156,477.17
  5. Step 5: Solve for x
    x = 495,156,477.17/22,312.80
  6. Step 6: Final answer
    x = 22,191.59

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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.