Home / 11,362.68-17,031.60-5,506.20

Finding the Fourth Proportional to 11,362.68, 17,031.60 and 5,506.20

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Solution

The fourth proportional to 11,362.68, 17,031.60 and 5,506.20 is: 8,253.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,362.68 : 17,031.60 = 5,506.20 : x
  2. Step 2: Convert to fraction form
    11,362.68/17,031.60 = 5,506.20/x
  3. Step 3: Cross multiply
    11,362.68x = 17,031.60 × 5,506.20
  4. Step 4: Simplify right side
    11,362.68x = 93,779,395.92
  5. Step 5: Solve for x
    x = 93,779,395.92/11,362.68
  6. Step 6: Final answer
    x = 8,253.28

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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.