Home / 15,638.20-23,461.70-6,284.79

Finding the Fourth Proportional to 15,638.20, 23,461.70 and 6,284.79

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Solution

The fourth proportional to 15,638.20, 23,461.70 and 6,284.79 is: 9,428.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,638.20 : 23,461.70 = 6,284.79 : x
  2. Step 2: Convert to fraction form
    15,638.20/23,461.70 = 6,284.79/x
  3. Step 3: Cross multiply
    15,638.20x = 23,461.70 × 6,284.79
  4. Step 4: Simplify right side
    15,638.20x = 147,451,826.12
  5. Step 5: Solve for x
    x = 147,451,826.12/15,638.20
  6. Step 6: Final answer
    x = 9,428.95

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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.