Home / 21,494.79-32,204.05-8,987.25

Finding the Fourth Proportional to 21,494.79, 32,204.05 and 8,987.25

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Solution

The fourth proportional to 21,494.79, 32,204.05 and 8,987.25 is: 13,464.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,494.79 : 32,204.05 = 8,987.25 : x
  2. Step 2: Convert to fraction form
    21,494.79/32,204.05 = 8,987.25/x
  3. Step 3: Cross multiply
    21,494.79x = 32,204.05 × 8,987.25
  4. Step 4: Simplify right side
    21,494.79x = 289,425,848.36
  5. Step 5: Solve for x
    x = 289,425,848.36/21,494.79
  6. Step 6: Final answer
    x = 13,464.93

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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.