Home / 10,160.57-14,048.82-8,915.19

Finding the Fourth Proportional to 10,160.57, 14,048.82 and 8,915.19

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Solution

The fourth proportional to 10,160.57, 14,048.82 and 8,915.19 is: 12,326.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,160.57 : 14,048.82 = 8,915.19 : x
  2. Step 2: Convert to fraction form
    10,160.57/14,048.82 = 8,915.19/x
  3. Step 3: Cross multiply
    10,160.57x = 14,048.82 × 8,915.19
  4. Step 4: Simplify right side
    10,160.57x = 125,247,899.58
  5. Step 5: Solve for x
    x = 125,247,899.58/10,160.57
  6. Step 6: Final answer
    x = 12,326.86

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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.