Home / 15,767.22-21,750.48-9,391.98

Finding the Fourth Proportional to 15,767.22, 21,750.48 and 9,391.98

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Solution

The fourth proportional to 15,767.22, 21,750.48 and 9,391.98 is: 12,956.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,767.22 : 21,750.48 = 9,391.98 : x
  2. Step 2: Convert to fraction form
    15,767.22/21,750.48 = 9,391.98/x
  3. Step 3: Cross multiply
    15,767.22x = 21,750.48 × 9,391.98
  4. Step 4: Simplify right side
    15,767.22x = 204,280,073.15
  5. Step 5: Solve for x
    x = 204,280,073.15/15,767.22
  6. Step 6: Final answer
    x = 12,956.00

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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.