Home / 12,253.11-18,385.74-4,857.41

Finding the Fourth Proportional to 12,253.11, 18,385.74 and 4,857.41

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Solution

The fourth proportional to 12,253.11, 18,385.74 and 4,857.41 is: 7,288.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,253.11 : 18,385.74 = 4,857.41 : x
  2. Step 2: Convert to fraction form
    12,253.11/18,385.74 = 4,857.41/x
  3. Step 3: Cross multiply
    12,253.11x = 18,385.74 × 4,857.41
  4. Step 4: Simplify right side
    12,253.11x = 89,306,985.40
  5. Step 5: Solve for x
    x = 89,306,985.40/12,253.11
  6. Step 6: Final answer
    x = 7,288.52

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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.