Home / 15,945.76-22,004.22-8,774.45

Finding the Fourth Proportional to 15,945.76, 22,004.22 and 8,774.45

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Solution

The fourth proportional to 15,945.76, 22,004.22 and 8,774.45 is: 12,108.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,945.76 : 22,004.22 = 8,774.45 : x
  2. Step 2: Convert to fraction form
    15,945.76/22,004.22 = 8,774.45/x
  3. Step 3: Cross multiply
    15,945.76x = 22,004.22 × 8,774.45
  4. Step 4: Simplify right side
    15,945.76x = 193,074,983.19
  5. Step 5: Solve for x
    x = 193,074,983.19/15,945.76
  6. Step 6: Final answer
    x = 12,108.23

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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.