Home / 21,401.64-32,094.36-10,305.72

Finding the Fourth Proportional to 21,401.64, 32,094.36 and 10,305.72

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Solution

The fourth proportional to 21,401.64, 32,094.36 and 10,305.72 is: 15,454.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,401.64 : 32,094.36 = 10,305.72 : x
  2. Step 2: Convert to fraction form
    21,401.64/32,094.36 = 10,305.72/x
  3. Step 3: Cross multiply
    21,401.64x = 32,094.36 × 10,305.72
  4. Step 4: Simplify right side
    21,401.64x = 330,755,487.74
  5. Step 5: Solve for x
    x = 330,755,487.74/21,401.64
  6. Step 6: Final answer
    x = 15,454.68

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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.