Home / 10,248.78-14,150.90-6,275.31

Finding the Fourth Proportional to 10,248.78, 14,150.90 and 6,275.31

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Solution

The fourth proportional to 10,248.78, 14,150.90 and 6,275.31 is: 8,664.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,248.78 : 14,150.90 = 6,275.31 : x
  2. Step 2: Convert to fraction form
    10,248.78/14,150.90 = 6,275.31/x
  3. Step 3: Cross multiply
    10,248.78x = 14,150.90 × 6,275.31
  4. Step 4: Simplify right side
    10,248.78x = 88,801,252.90
  5. Step 5: Solve for x
    x = 88,801,252.90/10,248.78
  6. Step 6: Final answer
    x = 8,664.57

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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.