Home / 21,341.46-32,021.41-8,864.22

Finding the Fourth Proportional to 21,341.46, 32,021.41 and 8,864.22

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Solution

The fourth proportional to 21,341.46, 32,021.41 and 8,864.22 is: 13,300.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,341.46 : 32,021.41 = 8,864.22 : x
  2. Step 2: Convert to fraction form
    21,341.46/32,021.41 = 8,864.22/x
  3. Step 3: Cross multiply
    21,341.46x = 32,021.41 × 8,864.22
  4. Step 4: Simplify right side
    21,341.46x = 283,844,822.95
  5. Step 5: Solve for x
    x = 283,844,822.95/21,341.46
  6. Step 6: Final answer
    x = 13,300.16

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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.