Home / 10,123.46-13,970.85-6,144.98

Finding the Fourth Proportional to 10,123.46, 13,970.85 and 6,144.98

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Solution

The fourth proportional to 10,123.46, 13,970.85 and 6,144.98 is: 8,480.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,123.46 : 13,970.85 = 6,144.98 : x
  2. Step 2: Convert to fraction form
    10,123.46/13,970.85 = 6,144.98/x
  3. Step 3: Cross multiply
    10,123.46x = 13,970.85 × 6,144.98
  4. Step 4: Simplify right side
    10,123.46x = 85,850,593.83
  5. Step 5: Solve for x
    x = 85,850,593.83/10,123.46
  6. Step 6: Final answer
    x = 8,480.36

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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.