Home / 10,259.50-15,378.24-5,327.92

Finding the Fourth Proportional to 10,259.50, 15,378.24 and 5,327.92

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Solution

The fourth proportional to 10,259.50, 15,378.24 and 5,327.92 is: 7,986.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,259.50 : 15,378.24 = 5,327.92 : x
  2. Step 2: Convert to fraction form
    10,259.50/15,378.24 = 5,327.92/x
  3. Step 3: Cross multiply
    10,259.50x = 15,378.24 × 5,327.92
  4. Step 4: Simplify right side
    10,259.50x = 81,934,032.46
  5. Step 5: Solve for x
    x = 81,934,032.46/10,259.50
  6. Step 6: Final answer
    x = 7,986.16

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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.