Home / 21,459.67-32,194.14-8,809.45

Finding the Fourth Proportional to 21,459.67, 32,194.14 and 8,809.45

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Solution

The fourth proportional to 21,459.67, 32,194.14 and 8,809.45 is: 13,216.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,459.67 : 32,194.14 = 8,809.45 : x
  2. Step 2: Convert to fraction form
    21,459.67/32,194.14 = 8,809.45/x
  3. Step 3: Cross multiply
    21,459.67x = 32,194.14 × 8,809.45
  4. Step 4: Simplify right side
    21,459.67x = 283,612,666.62
  5. Step 5: Solve for x
    x = 283,612,666.62/21,459.67
  6. Step 6: Final answer
    x = 13,216.08

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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.