Home / 11,132.64-15,357.60-9,363.60

Finding the Fourth Proportional to 11,132.64, 15,357.60 and 9,363.60

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Solution

The fourth proportional to 11,132.64, 15,357.60 and 9,363.60 is: 12,917.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,132.64 : 15,357.60 = 9,363.60 : x
  2. Step 2: Convert to fraction form
    11,132.64/15,357.60 = 9,363.60/x
  3. Step 3: Cross multiply
    11,132.64x = 15,357.60 × 9,363.60
  4. Step 4: Simplify right side
    11,132.64x = 143,802,423.36
  5. Step 5: Solve for x
    x = 143,802,423.36/11,132.64
  6. Step 6: Final answer
    x = 12,917.19

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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.