Home / 10,275.78-14,179.05-6,240.51

Finding the Fourth Proportional to 10,275.78, 14,179.05 and 6,240.51

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Solution

The fourth proportional to 10,275.78, 14,179.05 and 6,240.51 is: 8,610.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,275.78 : 14,179.05 = 6,240.51 : x
  2. Step 2: Convert to fraction form
    10,275.78/14,179.05 = 6,240.51/x
  3. Step 3: Cross multiply
    10,275.78x = 14,179.05 × 6,240.51
  4. Step 4: Simplify right side
    10,275.78x = 88,484,503.32
  5. Step 5: Solve for x
    x = 88,484,503.32/10,275.78
  6. Step 6: Final answer
    x = 8,610.98

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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.