Home / 15,439.56-23,155.88-9,201.36

Finding the Fourth Proportional to 15,439.56, 23,155.88 and 9,201.36

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Solution

The fourth proportional to 15,439.56, 23,155.88 and 9,201.36 is: 13,799.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,439.56 : 23,155.88 = 9,201.36 : x
  2. Step 2: Convert to fraction form
    15,439.56/23,155.88 = 9,201.36/x
  3. Step 3: Cross multiply
    15,439.56x = 23,155.88 × 9,201.36
  4. Step 4: Simplify right side
    15,439.56x = 213,065,588.00
  5. Step 5: Solve for x
    x = 213,065,588.00/15,439.56
  6. Step 6: Final answer
    x = 13,799.98

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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.