Home / 15,919.52-21,962.36-10,875.60

Finding the Fourth Proportional to 15,919.52, 21,962.36 and 10,875.60

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Solution

The fourth proportional to 15,919.52, 21,962.36 and 10,875.60 is: 15,003.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,919.52 : 21,962.36 = 10,875.60 : x
  2. Step 2: Convert to fraction form
    15,919.52/21,962.36 = 10,875.60/x
  3. Step 3: Cross multiply
    15,919.52x = 21,962.36 × 10,875.60
  4. Step 4: Simplify right side
    15,919.52x = 238,853,842.42
  5. Step 5: Solve for x
    x = 238,853,842.42/15,919.52
  6. Step 6: Final answer
    x = 15,003.83

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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.