Home / 10,560.12-15,844.32-3,988.08

Finding the Fourth Proportional to 10,560.12, 15,844.32 and 3,988.08

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Solution

The fourth proportional to 10,560.12, 15,844.32 and 3,988.08 is: 5,983.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,560.12 : 15,844.32 = 3,988.08 : x
  2. Step 2: Convert to fraction form
    10,560.12/15,844.32 = 3,988.08/x
  3. Step 3: Cross multiply
    10,560.12x = 15,844.32 × 3,988.08
  4. Step 4: Simplify right side
    10,560.12x = 63,188,415.71
  5. Step 5: Solve for x
    x = 63,188,415.71/10,560.12
  6. Step 6: Final answer
    x = 5,983.68

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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.