Home / 11,400.32-15,724.11-7,567.59

Finding the Fourth Proportional to 11,400.32, 15,724.11 and 7,567.59

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Solution

The fourth proportional to 11,400.32, 15,724.11 and 7,567.59 is: 10,437.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,400.32 : 15,724.11 = 7,567.59 : x
  2. Step 2: Convert to fraction form
    11,400.32/15,724.11 = 7,567.59/x
  3. Step 3: Cross multiply
    11,400.32x = 15,724.11 × 7,567.59
  4. Step 4: Simplify right side
    11,400.32x = 118,993,617.59
  5. Step 5: Solve for x
    x = 118,993,617.59/11,400.32
  6. Step 6: Final answer
    x = 10,437.75

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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.