Home / 22,389.64-30,897.86-13,444.84

Finding the Fourth Proportional to 22,389.64, 30,897.86 and 13,444.84

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Solution

The fourth proportional to 22,389.64, 30,897.86 and 13,444.84 is: 18,553.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,389.64 : 30,897.86 = 13,444.84 : x
  2. Step 2: Convert to fraction form
    22,389.64/30,897.86 = 13,444.84/x
  3. Step 3: Cross multiply
    22,389.64x = 30,897.86 × 13,444.84
  4. Step 4: Simplify right side
    22,389.64x = 415,416,784.04
  5. Step 5: Solve for x
    x = 415,416,784.04/22,389.64
  6. Step 6: Final answer
    x = 18,553.97

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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.