Home / 10,146.68-14,006.72-6,169.06

Finding the Fourth Proportional to 10,146.68, 14,006.72 and 6,169.06

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Solution

The fourth proportional to 10,146.68, 14,006.72 and 6,169.06 is: 8,515.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,146.68 : 14,006.72 = 6,169.06 : x
  2. Step 2: Convert to fraction form
    10,146.68/14,006.72 = 6,169.06/x
  3. Step 3: Cross multiply
    10,146.68x = 14,006.72 × 6,169.06
  4. Step 4: Simplify right side
    10,146.68x = 86,408,276.49
  5. Step 5: Solve for x
    x = 86,408,276.49/10,146.68
  6. Step 6: Final answer
    x = 8,515.92

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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.