Home / 21,679.57-32,503.42-9,666.60

Finding the Fourth Proportional to 21,679.57, 32,503.42 and 9,666.60

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Solution

The fourth proportional to 21,679.57, 32,503.42 and 9,666.60 is: 14,492.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,679.57 : 32,503.42 = 9,666.60 : x
  2. Step 2: Convert to fraction form
    21,679.57/32,503.42 = 9,666.60/x
  3. Step 3: Cross multiply
    21,679.57x = 32,503.42 × 9,666.60
  4. Step 4: Simplify right side
    21,679.57x = 314,197,559.77
  5. Step 5: Solve for x
    x = 314,197,559.77/21,679.57
  6. Step 6: Final answer
    x = 14,492.79

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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.