Home / 10,344.75-14,278.19-6,155.43

Finding the Fourth Proportional to 10,344.75, 14,278.19 and 6,155.43

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Solution

The fourth proportional to 10,344.75, 14,278.19 and 6,155.43 is: 8,495.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,344.75 : 14,278.19 = 6,155.43 : x
  2. Step 2: Convert to fraction form
    10,344.75/14,278.19 = 6,155.43/x
  3. Step 3: Cross multiply
    10,344.75x = 14,278.19 × 6,155.43
  4. Step 4: Simplify right side
    10,344.75x = 87,888,368.29
  5. Step 5: Solve for x
    x = 87,888,368.29/10,344.75
  6. Step 6: Final answer
    x = 8,495.94

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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.