Home / 15,099.67-22,631.55-11,389.60

Finding the Fourth Proportional to 15,099.67, 22,631.55 and 11,389.60

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Solution

The fourth proportional to 15,099.67, 22,631.55 and 11,389.60 is: 17,070.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,099.67 : 22,631.55 = 11,389.60 : x
  2. Step 2: Convert to fraction form
    15,099.67/22,631.55 = 11,389.60/x
  3. Step 3: Cross multiply
    15,099.67x = 22,631.55 × 11,389.60
  4. Step 4: Simplify right side
    15,099.67x = 257,764,301.88
  5. Step 5: Solve for x
    x = 257,764,301.88/15,099.67
  6. Step 6: Final answer
    x = 17,070.86

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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.