Home / 12,347.28-18,528.16-4,561.52

Finding the Fourth Proportional to 12,347.28, 18,528.16 and 4,561.52

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Solution

The fourth proportional to 12,347.28, 18,528.16 and 4,561.52 is: 6,844.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,347.28 : 18,528.16 = 4,561.52 : x
  2. Step 2: Convert to fraction form
    12,347.28/18,528.16 = 4,561.52/x
  3. Step 3: Cross multiply
    12,347.28x = 18,528.16 × 4,561.52
  4. Step 4: Simplify right side
    12,347.28x = 84,516,572.40
  5. Step 5: Solve for x
    x = 84,516,572.40/12,347.28
  6. Step 6: Final answer
    x = 6,844.95

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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.