Home / 25,352.07-38,011.91-12,178.23

Finding the Fourth Proportional to 25,352.07, 38,011.91 and 12,178.23

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Solution

The fourth proportional to 25,352.07, 38,011.91 and 12,178.23 is: 18,259.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,352.07 : 38,011.91 = 12,178.23 : x
  2. Step 2: Convert to fraction form
    25,352.07/38,011.91 = 12,178.23/x
  3. Step 3: Cross multiply
    25,352.07x = 38,011.91 × 12,178.23
  4. Step 4: Simplify right side
    25,352.07x = 462,917,721.83
  5. Step 5: Solve for x
    x = 462,917,721.83/25,352.07
  6. Step 6: Final answer
    x = 18,259.56

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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.