Home / 10,242.51-15,343.10-6,535.54

Finding the Fourth Proportional to 10,242.51, 15,343.10 and 6,535.54

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Solution

The fourth proportional to 10,242.51, 15,343.10 and 6,535.54 is: 9,790.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,242.51 : 15,343.10 = 6,535.54 : x
  2. Step 2: Convert to fraction form
    10,242.51/15,343.10 = 6,535.54/x
  3. Step 3: Cross multiply
    10,242.51x = 15,343.10 × 6,535.54
  4. Step 4: Simplify right side
    10,242.51x = 100,275,443.77
  5. Step 5: Solve for x
    x = 100,275,443.77/10,242.51
  6. Step 6: Final answer
    x = 9,790.12

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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.