Home / 15,298.68-21,103.62-9,631.32

Finding the Fourth Proportional to 15,298.68, 21,103.62 and 9,631.32

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Solution

The fourth proportional to 15,298.68, 21,103.62 and 9,631.32 is: 13,285.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,298.68 : 21,103.62 = 9,631.32 : x
  2. Step 2: Convert to fraction form
    15,298.68/21,103.62 = 9,631.32/x
  3. Step 3: Cross multiply
    15,298.68x = 21,103.62 × 9,631.32
  4. Step 4: Simplify right side
    15,298.68x = 203,255,717.38
  5. Step 5: Solve for x
    x = 203,255,717.38/15,298.68
  6. Step 6: Final answer
    x = 13,285.83

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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.