Home / 12,508.84-18,752.22-4,712.20

Finding the Fourth Proportional to 12,508.84, 18,752.22 and 4,712.20

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Solution

The fourth proportional to 12,508.84, 18,752.22 and 4,712.20 is: 7,064.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,508.84 : 18,752.22 = 4,712.20 : x
  2. Step 2: Convert to fraction form
    12,508.84/18,752.22 = 4,712.20/x
  3. Step 3: Cross multiply
    12,508.84x = 18,752.22 × 4,712.20
  4. Step 4: Simplify right side
    12,508.84x = 88,364,211.08
  5. Step 5: Solve for x
    x = 88,364,211.08/12,508.84
  6. Step 6: Final answer
    x = 7,064.14

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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.