Home / 21,111.98-31,648.52-10,023.89

Finding the Fourth Proportional to 21,111.98, 31,648.52 and 10,023.89

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Solution

The fourth proportional to 21,111.98, 31,648.52 and 10,023.89 is: 15,026.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,111.98 : 31,648.52 = 10,023.89 : x
  2. Step 2: Convert to fraction form
    21,111.98/31,648.52 = 10,023.89/x
  3. Step 3: Cross multiply
    21,111.98x = 31,648.52 × 10,023.89
  4. Step 4: Simplify right side
    21,111.98x = 317,241,149.96
  5. Step 5: Solve for x
    x = 317,241,149.96/21,111.98
  6. Step 6: Final answer
    x = 15,026.60

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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.