Home / 15,275.72-23,017.59-12,563.12

Finding the Fourth Proportional to 15,275.72, 23,017.59 and 12,563.12

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Solution

The fourth proportional to 15,275.72, 23,017.59 and 12,563.12 is: 18,930.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,275.72 : 23,017.59 = 12,563.12 : x
  2. Step 2: Convert to fraction form
    15,275.72/23,017.59 = 12,563.12/x
  3. Step 3: Cross multiply
    15,275.72x = 23,017.59 × 12,563.12
  4. Step 4: Simplify right side
    15,275.72x = 289,172,745.28
  5. Step 5: Solve for x
    x = 289,172,745.28/15,275.72
  6. Step 6: Final answer
    x = 18,930.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.