Home / 10,242.36-15,351.08-5,551.24

Finding the Fourth Proportional to 10,242.36, 15,351.08 and 5,551.24

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Solution

The fourth proportional to 10,242.36, 15,351.08 and 5,551.24 is: 8,320.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,242.36 : 15,351.08 = 5,551.24 : x
  2. Step 2: Convert to fraction form
    10,242.36/15,351.08 = 5,551.24/x
  3. Step 3: Cross multiply
    10,242.36x = 15,351.08 × 5,551.24
  4. Step 4: Simplify right side
    10,242.36x = 85,217,501.58
  5. Step 5: Solve for x
    x = 85,217,501.58/10,242.36
  6. Step 6: Final answer
    x = 8,320.11

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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.