Home / 11,135.68-15,352.64-9,248.96

Finding the Fourth Proportional to 11,135.68, 15,352.64 and 9,248.96

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Solution

The fourth proportional to 11,135.68, 15,352.64 and 9,248.96 is: 12,751.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,135.68 : 15,352.64 = 9,248.96 : x
  2. Step 2: Convert to fraction form
    11,135.68/15,352.64 = 9,248.96/x
  3. Step 3: Cross multiply
    11,135.68x = 15,352.64 × 9,248.96
  4. Step 4: Simplify right side
    11,135.68x = 141,995,953.25
  5. Step 5: Solve for x
    x = 141,995,953.25/11,135.68
  6. Step 6: Final answer
    x = 12,751.44

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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.