Home / 10,259.43-15,389.15-7,922.85

Finding the Fourth Proportional to 10,259.43, 15,389.15 and 7,922.85

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Solution

The fourth proportional to 10,259.43, 15,389.15 and 7,922.85 is: 11,884.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,259.43 : 15,389.15 = 7,922.85 : x
  2. Step 2: Convert to fraction form
    10,259.43/15,389.15 = 7,922.85/x
  3. Step 3: Cross multiply
    10,259.43x = 15,389.15 × 7,922.85
  4. Step 4: Simplify right side
    10,259.43x = 121,925,927.08
  5. Step 5: Solve for x
    x = 121,925,927.08/10,259.43
  6. Step 6: Final answer
    x = 11,884.28

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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.