Home / 15,399.12-23,094.58-4,305.12

Finding the Fourth Proportional to 15,399.12, 23,094.58 and 4,305.12

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Solution

The fourth proportional to 15,399.12, 23,094.58 and 4,305.12 is: 6,456.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,399.12 : 23,094.58 = 4,305.12 : x
  2. Step 2: Convert to fraction form
    15,399.12/23,094.58 = 4,305.12/x
  3. Step 3: Cross multiply
    15,399.12x = 23,094.58 × 4,305.12
  4. Step 4: Simplify right side
    15,399.12x = 99,424,938.25
  5. Step 5: Solve for x
    x = 99,424,938.25/15,399.12
  6. Step 6: Final answer
    x = 6,456.53

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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.