Home / 15,113.52-20,853.45-8,823.06

Finding the Fourth Proportional to 15,113.52, 20,853.45 and 8,823.06

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Solution

The fourth proportional to 15,113.52, 20,853.45 and 8,823.06 is: 12,173.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,113.52 : 20,853.45 = 8,823.06 : x
  2. Step 2: Convert to fraction form
    15,113.52/20,853.45 = 8,823.06/x
  3. Step 3: Cross multiply
    15,113.52x = 20,853.45 × 8,823.06
  4. Step 4: Simplify right side
    15,113.52x = 183,991,240.56
  5. Step 5: Solve for x
    x = 183,991,240.56/15,113.52
  6. Step 6: Final answer
    x = 12,173.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.