Home / 15,618.88-23,428.34-6,384.88

Finding the Fourth Proportional to 15,618.88, 23,428.34 and 6,384.88

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Solution

The fourth proportional to 15,618.88, 23,428.34 and 6,384.88 is: 9,577.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,618.88 : 23,428.34 = 6,384.88 : x
  2. Step 2: Convert to fraction form
    15,618.88/23,428.34 = 6,384.88/x
  3. Step 3: Cross multiply
    15,618.88x = 23,428.34 × 6,384.88
  4. Step 4: Simplify right side
    15,618.88x = 149,587,139.50
  5. Step 5: Solve for x
    x = 149,587,139.50/15,618.88
  6. Step 6: Final answer
    x = 9,577.33

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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.