Home / 12,501.18-18,743.40-5,103.63

Finding the Fourth Proportional to 12,501.18, 18,743.40 and 5,103.63

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Solution

The fourth proportional to 12,501.18, 18,743.40 and 5,103.63 is: 7,652.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,501.18 : 18,743.40 = 5,103.63 : x
  2. Step 2: Convert to fraction form
    12,501.18/18,743.40 = 5,103.63/x
  3. Step 3: Cross multiply
    12,501.18x = 18,743.40 × 5,103.63
  4. Step 4: Simplify right side
    12,501.18x = 95,659,378.54
  5. Step 5: Solve for x
    x = 95,659,378.54/12,501.18
  6. Step 6: Final answer
    x = 7,652.03

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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.