Home / 12,547.60-18,821.20-3,060.02

Finding the Fourth Proportional to 12,547.60, 18,821.20 and 3,060.02

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Solution

The fourth proportional to 12,547.60, 18,821.20 and 3,060.02 is: 4,589.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,547.60 : 18,821.20 = 3,060.02 : x
  2. Step 2: Convert to fraction form
    12,547.60/18,821.20 = 3,060.02/x
  3. Step 3: Cross multiply
    12,547.60x = 18,821.20 × 3,060.02
  4. Step 4: Simplify right side
    12,547.60x = 57,593,248.42
  5. Step 5: Solve for x
    x = 57,593,248.42/12,547.60
  6. Step 6: Final answer
    x = 4,589.98

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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.