Home / 15,513.19-23,255.95-5,645.57

Finding the Fourth Proportional to 15,513.19, 23,255.95 and 5,645.57

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Solution

The fourth proportional to 15,513.19, 23,255.95 and 5,645.57 is: 8,463.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,513.19 : 23,255.95 = 5,645.57 : x
  2. Step 2: Convert to fraction form
    15,513.19/23,255.95 = 5,645.57/x
  3. Step 3: Cross multiply
    15,513.19x = 23,255.95 × 5,645.57
  4. Step 4: Simplify right side
    15,513.19x = 131,293,093.64
  5. Step 5: Solve for x
    x = 131,293,093.64/15,513.19
  6. Step 6: Final answer
    x = 8,463.32

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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.