Home / 15,599.28-21,520.58-10,886.30

Finding the Fourth Proportional to 15,599.28, 21,520.58 and 10,886.30

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Solution

The fourth proportional to 15,599.28, 21,520.58 and 10,886.30 is: 15,018.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,599.28 : 21,520.58 = 10,886.30 : x
  2. Step 2: Convert to fraction form
    15,599.28/21,520.58 = 10,886.30/x
  3. Step 3: Cross multiply
    15,599.28x = 21,520.58 × 10,886.30
  4. Step 4: Simplify right side
    15,599.28x = 234,279,490.05
  5. Step 5: Solve for x
    x = 234,279,490.05/15,599.28
  6. Step 6: Final answer
    x = 15,018.61

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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.