Home / 15,511.19-23,248.25-5,645.10

Finding the Fourth Proportional to 15,511.19, 23,248.25 and 5,645.10

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Solution

The fourth proportional to 15,511.19, 23,248.25 and 5,645.10 is: 8,460.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,511.19 : 23,248.25 = 5,645.10 : x
  2. Step 2: Convert to fraction form
    15,511.19/23,248.25 = 5,645.10/x
  3. Step 3: Cross multiply
    15,511.19x = 23,248.25 × 5,645.10
  4. Step 4: Simplify right side
    15,511.19x = 131,238,696.08
  5. Step 5: Solve for x
    x = 131,238,696.08/15,511.19
  6. Step 6: Final answer
    x = 8,460.90

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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.