Home / 15,312.18-22,966.83-4,781.82

Finding the Fourth Proportional to 15,312.18, 22,966.83 and 4,781.82

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Solution

The fourth proportional to 15,312.18, 22,966.83 and 4,781.82 is: 7,172.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,312.18 : 22,966.83 = 4,781.82 : x
  2. Step 2: Convert to fraction form
    15,312.18/22,966.83 = 4,781.82/x
  3. Step 3: Cross multiply
    15,312.18x = 22,966.83 × 4,781.82
  4. Step 4: Simplify right side
    15,312.18x = 109,823,247.03
  5. Step 5: Solve for x
    x = 109,823,247.03/15,312.18
  6. Step 6: Final answer
    x = 7,172.28

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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.