Home / 15,968.79-22,037.61-8,895.22

Finding the Fourth Proportional to 15,968.79, 22,037.61 and 8,895.22

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Solution

The fourth proportional to 15,968.79, 22,037.61 and 8,895.22 is: 12,275.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,968.79 : 22,037.61 = 8,895.22 : x
  2. Step 2: Convert to fraction form
    15,968.79/22,037.61 = 8,895.22/x
  3. Step 3: Cross multiply
    15,968.79x = 22,037.61 × 8,895.22
  4. Step 4: Simplify right side
    15,968.79x = 196,029,389.22
  5. Step 5: Solve for x
    x = 196,029,389.22/15,968.79
  6. Step 6: Final answer
    x = 12,275.78

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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.