Home / 22,200.13-33,344.48-13,894.93

Finding the Fourth Proportional to 22,200.13, 33,344.48 and 13,894.93

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Solution

The fourth proportional to 22,200.13, 33,344.48 and 13,894.93 is: 20,870.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,200.13 : 33,344.48 = 13,894.93 : x
  2. Step 2: Convert to fraction form
    22,200.13/33,344.48 = 13,894.93/x
  3. Step 3: Cross multiply
    22,200.13x = 33,344.48 × 13,894.93
  4. Step 4: Simplify right side
    22,200.13x = 463,319,215.49
  5. Step 5: Solve for x
    x = 463,319,215.49/22,200.13
  6. Step 6: Final answer
    x = 20,870.11

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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.