Home / 21,014.75-29,000.45-11,583.11

Finding the Fourth Proportional to 21,014.75, 29,000.45 and 11,583.11

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Solution

The fourth proportional to 21,014.75, 29,000.45 and 11,583.11 is: 15,984.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,014.75 : 29,000.45 = 11,583.11 : x
  2. Step 2: Convert to fraction form
    21,014.75/29,000.45 = 11,583.11/x
  3. Step 3: Cross multiply
    21,014.75x = 29,000.45 × 11,583.11
  4. Step 4: Simplify right side
    21,014.75x = 335,915,402.40
  5. Step 5: Solve for x
    x = 335,915,402.40/21,014.75
  6. Step 6: Final answer
    x = 15,984.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.