Home / 12,146.60-16,763.28-6,841.10

Finding the Fourth Proportional to 12,146.60, 16,763.28 and 6,841.10

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Solution

The fourth proportional to 12,146.60, 16,763.28 and 6,841.10 is: 9,441.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,146.60 : 16,763.28 = 6,841.10 : x
  2. Step 2: Convert to fraction form
    12,146.60/16,763.28 = 6,841.10/x
  3. Step 3: Cross multiply
    12,146.60x = 16,763.28 × 6,841.10
  4. Step 4: Simplify right side
    12,146.60x = 114,679,274.81
  5. Step 5: Solve for x
    x = 114,679,274.81/12,146.60
  6. Step 6: Final answer
    x = 9,441.27

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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.