Home / 15,513.69-23,165.19-15,093.30

Finding the Fourth Proportional to 15,513.69, 23,165.19 and 15,093.30

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Solution

The fourth proportional to 15,513.69, 23,165.19 and 15,093.30 is: 22,537.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,513.69 : 23,165.19 = 15,093.30 : x
  2. Step 2: Convert to fraction form
    15,513.69/23,165.19 = 15,093.30/x
  3. Step 3: Cross multiply
    15,513.69x = 23,165.19 × 15,093.30
  4. Step 4: Simplify right side
    15,513.69x = 349,639,249.10
  5. Step 5: Solve for x
    x = 349,639,249.10/15,513.69
  6. Step 6: Final answer
    x = 22,537.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.