Home / 15,013.18-22,511.65-10,639.18

Finding the Fourth Proportional to 15,013.18, 22,511.65 and 10,639.18

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Solution

The fourth proportional to 15,013.18, 22,511.65 and 10,639.18 is: 15,953.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,013.18 : 22,511.65 = 10,639.18 : x
  2. Step 2: Convert to fraction form
    15,013.18/22,511.65 = 10,639.18/x
  3. Step 3: Cross multiply
    15,013.18x = 22,511.65 × 10,639.18
  4. Step 4: Simplify right side
    15,013.18x = 239,505,496.45
  5. Step 5: Solve for x
    x = 239,505,496.45/15,013.18
  6. Step 6: Final answer
    x = 15,953.02

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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.