Home / 12,341.28-18,519.16-4,555.52

Finding the Fourth Proportional to 12,341.28, 18,519.16 and 4,555.52

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Solution

The fourth proportional to 12,341.28, 18,519.16 and 4,555.52 is: 6,835.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,341.28 : 18,519.16 = 4,555.52 : x
  2. Step 2: Convert to fraction form
    12,341.28/18,519.16 = 4,555.52/x
  3. Step 3: Cross multiply
    12,341.28x = 18,519.16 × 4,555.52
  4. Step 4: Simplify right side
    12,341.28x = 84,364,403.76
  5. Step 5: Solve for x
    x = 84,364,403.76/12,341.28
  6. Step 6: Final answer
    x = 6,835.95

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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.