Home / 10,259.52-15,387.07-3,240.08

Finding the Fourth Proportional to 10,259.52, 15,387.07 and 3,240.08

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Solution

The fourth proportional to 10,259.52, 15,387.07 and 3,240.08 is: 4,859.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,259.52 : 15,387.07 = 3,240.08 : x
  2. Step 2: Convert to fraction form
    10,259.52/15,387.07 = 3,240.08/x
  3. Step 3: Cross multiply
    10,259.52x = 15,387.07 × 3,240.08
  4. Step 4: Simplify right side
    10,259.52x = 49,855,337.77
  5. Step 5: Solve for x
    x = 49,855,337.77/10,259.52
  6. Step 6: Final answer
    x = 4,859.42

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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.