Home / 11,065.88-15,265.56-6,588.20

Finding the Fourth Proportional to 11,065.88, 15,265.56 and 6,588.20

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Solution

The fourth proportional to 11,065.88, 15,265.56 and 6,588.20 is: 9,088.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,065.88 : 15,265.56 = 6,588.20 : x
  2. Step 2: Convert to fraction form
    11,065.88/15,265.56 = 6,588.20/x
  3. Step 3: Cross multiply
    11,065.88x = 15,265.56 × 6,588.20
  4. Step 4: Simplify right side
    11,065.88x = 100,572,562.39
  5. Step 5: Solve for x
    x = 100,572,562.39/11,065.88
  6. Step 6: Final answer
    x = 9,088.53

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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.