Home / 11,148.52-15,384.72-6,432.16

Finding the Fourth Proportional to 11,148.52, 15,384.72 and 6,432.16

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Solution

The fourth proportional to 11,148.52, 15,384.72 and 6,432.16 is: 8,876.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,148.52 : 15,384.72 = 6,432.16 : x
  2. Step 2: Convert to fraction form
    11,148.52/15,384.72 = 6,432.16/x
  3. Step 3: Cross multiply
    11,148.52x = 15,384.72 × 6,432.16
  4. Step 4: Simplify right side
    11,148.52x = 98,956,980.60
  5. Step 5: Solve for x
    x = 98,956,980.60/11,148.52
  6. Step 6: Final answer
    x = 8,876.24

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.