Home / 22,013.10-32,981.85-10,302.30

Finding the Fourth Proportional to 22,013.10, 32,981.85 and 10,302.30

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Solution

The fourth proportional to 22,013.10, 32,981.85 and 10,302.30 is: 15,435.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,013.10 : 32,981.85 = 10,302.30 : x
  2. Step 2: Convert to fraction form
    22,013.10/32,981.85 = 10,302.30/x
  3. Step 3: Cross multiply
    22,013.10x = 32,981.85 × 10,302.30
  4. Step 4: Simplify right side
    22,013.10x = 339,788,913.26
  5. Step 5: Solve for x
    x = 339,788,913.26/22,013.10
  6. Step 6: Final answer
    x = 15,435.76

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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.