Home / 15,213.16-22,821.18-5,977

Finding the Fourth Proportional to 15,213.16, 22,821.18 and 5,977

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Solution

The fourth proportional to 15,213.16, 22,821.18 and 5,977 is: 8,966.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,213.16 : 22,821.18 = 5,977 : x
  2. Step 2: Convert to fraction form
    15,213.16/22,821.18 = 5,977/x
  3. Step 3: Cross multiply
    15,213.16x = 22,821.18 × 5,977
  4. Step 4: Simplify right side
    15,213.16x = 136,402,192.86
  5. Step 5: Solve for x
    x = 136,402,192.86/15,213.16
  6. Step 6: Final answer
    x = 8,966.07

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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.