Home / 11,320.48-15,624.13-6,604.75

Finding the Fourth Proportional to 11,320.48, 15,624.13 and 6,604.75

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Solution

The fourth proportional to 11,320.48, 15,624.13 and 6,604.75 is: 9,115.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,320.48 : 15,624.13 = 6,604.75 : x
  2. Step 2: Convert to fraction form
    11,320.48/15,624.13 = 6,604.75/x
  3. Step 3: Cross multiply
    11,320.48x = 15,624.13 × 6,604.75
  4. Step 4: Simplify right side
    11,320.48x = 103,193,495.17
  5. Step 5: Solve for x
    x = 103,193,495.17/11,320.48
  6. Step 6: Final answer
    x = 9,115.64

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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.