Home / 11,562.28-15,962.82-7,590.34

Finding the Fourth Proportional to 11,562.28, 15,962.82 and 7,590.34

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Solution

The fourth proportional to 11,562.28, 15,962.82 and 7,590.34 is: 10,479.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,562.28 : 15,962.82 = 7,590.34 : x
  2. Step 2: Convert to fraction form
    11,562.28/15,962.82 = 7,590.34/x
  3. Step 3: Cross multiply
    11,562.28x = 15,962.82 × 7,590.34
  4. Step 4: Simplify right side
    11,562.28x = 121,163,231.16
  5. Step 5: Solve for x
    x = 121,163,231.16/11,562.28
  6. Step 6: Final answer
    x = 10,479.18

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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.