Home / 13,500.90-18,631.29-7,532.82

Finding the Fourth Proportional to 13,500.90, 18,631.29 and 7,532.82

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Solution

The fourth proportional to 13,500.90, 18,631.29 and 7,532.82 is: 10,395.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,500.90 : 18,631.29 = 7,532.82 : x
  2. Step 2: Convert to fraction form
    13,500.90/18,631.29 = 7,532.82/x
  3. Step 3: Cross multiply
    13,500.90x = 18,631.29 × 7,532.82
  4. Step 4: Simplify right side
    13,500.90x = 140,346,153.94
  5. Step 5: Solve for x
    x = 140,346,153.94/13,500.90
  6. Step 6: Final answer
    x = 10,395.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.