Home / 21,014.74-29,000.40-11,583.34

Finding the Fourth Proportional to 21,014.74, 29,000.40 and 11,583.34

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Solution

The fourth proportional to 21,014.74, 29,000.40 and 11,583.34 is: 15,985.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,014.74 : 29,000.40 = 11,583.34 : x
  2. Step 2: Convert to fraction form
    21,014.74/29,000.40 = 11,583.34/x
  3. Step 3: Cross multiply
    21,014.74x = 29,000.40 × 11,583.34
  4. Step 4: Simplify right side
    21,014.74x = 335,921,493.34
  5. Step 5: Solve for x
    x = 335,921,493.34/21,014.74
  6. Step 6: Final answer
    x = 15,985.04

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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.