Home / 10,355.55-15,524.59-4,507.75

Finding the Fourth Proportional to 10,355.55, 15,524.59 and 4,507.75

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Solution

The fourth proportional to 10,355.55, 15,524.59 and 4,507.75 is: 6,757.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,355.55 : 15,524.59 = 4,507.75 : x
  2. Step 2: Convert to fraction form
    10,355.55/15,524.59 = 4,507.75/x
  3. Step 3: Cross multiply
    10,355.55x = 15,524.59 × 4,507.75
  4. Step 4: Simplify right side
    10,355.55x = 69,980,970.57
  5. Step 5: Solve for x
    x = 69,980,970.57/10,355.55
  6. Step 6: Final answer
    x = 6,757.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.