Home / 22,680.84-31,294.98-13,247.58

Finding the Fourth Proportional to 22,680.84, 31,294.98 and 13,247.58

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Solution

The fourth proportional to 22,680.84, 31,294.98 and 13,247.58 is: 18,278.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,680.84 : 31,294.98 = 13,247.58 : x
  2. Step 2: Convert to fraction form
    22,680.84/31,294.98 = 13,247.58/x
  3. Step 3: Cross multiply
    22,680.84x = 31,294.98 × 13,247.58
  4. Step 4: Simplify right side
    22,680.84x = 414,582,751.15
  5. Step 5: Solve for x
    x = 414,582,751.15/22,680.84
  6. Step 6: Final answer
    x = 18,278.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.