Home / 15,679.47-23,521.29-8,284.22

Finding the Fourth Proportional to 15,679.47, 23,521.29 and 8,284.22

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Solution

The fourth proportional to 15,679.47, 23,521.29 and 8,284.22 is: 12,427.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,679.47 : 23,521.29 = 8,284.22 : x
  2. Step 2: Convert to fraction form
    15,679.47/23,521.29 = 8,284.22/x
  3. Step 3: Cross multiply
    15,679.47x = 23,521.29 × 8,284.22
  4. Step 4: Simplify right side
    15,679.47x = 194,855,612.88
  5. Step 5: Solve for x
    x = 194,855,612.88/15,679.47
  6. Step 6: Final answer
    x = 12,427.43

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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.