Home / 14,599.34-21,899.13-6,278.78

Finding the Fourth Proportional to 14,599.34, 21,899.13 and 6,278.78

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Solution

The fourth proportional to 14,599.34, 21,899.13 and 6,278.78 is: 9,418.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,599.34 : 21,899.13 = 6,278.78 : x
  2. Step 2: Convert to fraction form
    14,599.34/21,899.13 = 6,278.78/x
  3. Step 3: Cross multiply
    14,599.34x = 21,899.13 × 6,278.78
  4. Step 4: Simplify right side
    14,599.34x = 137,499,819.46
  5. Step 5: Solve for x
    x = 137,499,819.46/14,599.34
  6. Step 6: Final answer
    x = 9,418.22

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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.