Home / 10,405.38-14,358.28-6,156.60

Finding the Fourth Proportional to 10,405.38, 14,358.28 and 6,156.60

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Solution

The fourth proportional to 10,405.38, 14,358.28 and 6,156.60 is: 8,495.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,405.38 : 14,358.28 = 6,156.60 : x
  2. Step 2: Convert to fraction form
    10,405.38/14,358.28 = 6,156.60/x
  3. Step 3: Cross multiply
    10,405.38x = 14,358.28 × 6,156.60
  4. Step 4: Simplify right side
    10,405.38x = 88,398,186.65
  5. Step 5: Solve for x
    x = 88,398,186.65/10,405.38
  6. Step 6: Final answer
    x = 8,495.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.