Home / 10,309.38-15,466.34-4,385.95

Finding the Fourth Proportional to 10,309.38, 15,466.34 and 4,385.95

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Solution

The fourth proportional to 10,309.38, 15,466.34 and 4,385.95 is: 6,579.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,309.38 : 15,466.34 = 4,385.95 : x
  2. Step 2: Convert to fraction form
    10,309.38/15,466.34 = 4,385.95/x
  3. Step 3: Cross multiply
    10,309.38x = 15,466.34 × 4,385.95
  4. Step 4: Simplify right side
    10,309.38x = 67,834,566.22
  5. Step 5: Solve for x
    x = 67,834,566.22/10,309.38
  6. Step 6: Final answer
    x = 6,579.89

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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.