Home / 11,281.45-15,575.48-7,250.08

Finding the Fourth Proportional to 11,281.45, 15,575.48 and 7,250.08

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Solution

The fourth proportional to 11,281.45, 15,575.48 and 7,250.08 is: 10,009.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,281.45 : 15,575.48 = 7,250.08 : x
  2. Step 2: Convert to fraction form
    11,281.45/15,575.48 = 7,250.08/x
  3. Step 3: Cross multiply
    11,281.45x = 15,575.48 × 7,250.08
  4. Step 4: Simplify right side
    11,281.45x = 112,923,438.17
  5. Step 5: Solve for x
    x = 112,923,438.17/11,281.45
  6. Step 6: Final answer
    x = 10,009.66

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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.