Home / 11,188.32-15,432.08-9,498.08

Finding the Fourth Proportional to 11,188.32, 15,432.08 and 9,498.08

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Solution

The fourth proportional to 11,188.32, 15,432.08 and 9,498.08 is: 13,100.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,188.32 : 15,432.08 = 9,498.08 : x
  2. Step 2: Convert to fraction form
    11,188.32/15,432.08 = 9,498.08/x
  3. Step 3: Cross multiply
    11,188.32x = 15,432.08 × 9,498.08
  4. Step 4: Simplify right side
    11,188.32x = 146,575,005.76
  5. Step 5: Solve for x
    x = 146,575,005.76/11,188.32
  6. Step 6: Final answer
    x = 13,100.72

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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.