Home / 11,376.52-15,690.31-9,552.50

Finding the Fourth Proportional to 11,376.52, 15,690.31 and 9,552.50

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Solution

The fourth proportional to 11,376.52, 15,690.31 and 9,552.50 is: 13,174.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,376.52 : 15,690.31 = 9,552.50 : x
  2. Step 2: Convert to fraction form
    11,376.52/15,690.31 = 9,552.50/x
  3. Step 3: Cross multiply
    11,376.52x = 15,690.31 × 9,552.50
  4. Step 4: Simplify right side
    11,376.52x = 149,881,686.28
  5. Step 5: Solve for x
    x = 149,881,686.28/11,376.52
  6. Step 6: Final answer
    x = 13,174.65

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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.