Home / 11,987.52-17,981.45-4,592.36

Finding the Fourth Proportional to 11,987.52, 17,981.45 and 4,592.36

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Solution

The fourth proportional to 11,987.52, 17,981.45 and 4,592.36 is: 6,888.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,987.52 : 17,981.45 = 4,592.36 : x
  2. Step 2: Convert to fraction form
    11,987.52/17,981.45 = 4,592.36/x
  3. Step 3: Cross multiply
    11,987.52x = 17,981.45 × 4,592.36
  4. Step 4: Simplify right side
    11,987.52x = 82,577,178.85
  5. Step 5: Solve for x
    x = 82,577,178.85/11,987.52
  6. Step 6: Final answer
    x = 6,888.60

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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.