Home / 15,145.88-22,711.36-6,378.44

Finding the Fourth Proportional to 15,145.88, 22,711.36 and 6,378.44

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Solution

The fourth proportional to 15,145.88, 22,711.36 and 6,378.44 is: 9,564.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,145.88 : 22,711.36 = 6,378.44 : x
  2. Step 2: Convert to fraction form
    15,145.88/22,711.36 = 6,378.44/x
  3. Step 3: Cross multiply
    15,145.88x = 22,711.36 × 6,378.44
  4. Step 4: Simplify right side
    15,145.88x = 144,863,047.08
  5. Step 5: Solve for x
    x = 144,863,047.08/15,145.88
  6. Step 6: Final answer
    x = 9,564.52

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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.