Home / 15,391.92-21,244.88-10,027.74

Finding the Fourth Proportional to 15,391.92, 21,244.88 and 10,027.74

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Solution

The fourth proportional to 15,391.92, 21,244.88 and 10,027.74 is: 13,840.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,391.92 : 21,244.88 = 10,027.74 : x
  2. Step 2: Convert to fraction form
    15,391.92/21,244.88 = 10,027.74/x
  3. Step 3: Cross multiply
    15,391.92x = 21,244.88 × 10,027.74
  4. Step 4: Simplify right side
    15,391.92x = 213,038,088.33
  5. Step 5: Solve for x
    x = 213,038,088.33/15,391.92
  6. Step 6: Final answer
    x = 13,840.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.