Home / 12,508.60-18,756.84-5,110.12

Finding the Fourth Proportional to 12,508.60, 18,756.84 and 5,110.12

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Solution

The fourth proportional to 12,508.60, 18,756.84 and 5,110.12 is: 7,662.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,508.60 : 18,756.84 = 5,110.12 : x
  2. Step 2: Convert to fraction form
    12,508.60/18,756.84 = 5,110.12/x
  3. Step 3: Cross multiply
    12,508.60x = 18,756.84 × 5,110.12
  4. Step 4: Simplify right side
    12,508.60x = 95,849,703.22
  5. Step 5: Solve for x
    x = 95,849,703.22/12,508.60
  6. Step 6: Final answer
    x = 7,662.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.