Home / 21,899.01-32,848.70-9,418.17

Finding the Fourth Proportional to 21,899.01, 32,848.70 and 9,418.17

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Solution

The fourth proportional to 21,899.01, 32,848.70 and 9,418.17 is: 14,127.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,899.01 : 32,848.70 = 9,418.17 : x
  2. Step 2: Convert to fraction form
    21,899.01/32,848.70 = 9,418.17/x
  3. Step 3: Cross multiply
    21,899.01x = 32,848.70 × 9,418.17
  4. Step 4: Simplify right side
    21,899.01x = 309,374,593.79
  5. Step 5: Solve for x
    x = 309,374,593.79/21,899.01
  6. Step 6: Final answer
    x = 14,127.33

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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.