Home / 10,365.03-15,549.76-3,345.44

Finding the Fourth Proportional to 10,365.03, 15,549.76 and 3,345.44

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Solution

The fourth proportional to 10,365.03, 15,549.76 and 3,345.44 is: 5,018.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,365.03 : 15,549.76 = 3,345.44 : x
  2. Step 2: Convert to fraction form
    10,365.03/15,549.76 = 3,345.44/x
  3. Step 3: Cross multiply
    10,365.03x = 15,549.76 × 3,345.44
  4. Step 4: Simplify right side
    10,365.03x = 52,020,789.09
  5. Step 5: Solve for x
    x = 52,020,789.09/10,365.03
  6. Step 6: Final answer
    x = 5,018.87

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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.