Home / 15,575.31-21,494.21-8,501.98

Finding the Fourth Proportional to 15,575.31, 21,494.21 and 8,501.98

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Solution

The fourth proportional to 15,575.31, 21,494.21 and 8,501.98 is: 11,732.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,575.31 : 21,494.21 = 8,501.98 : x
  2. Step 2: Convert to fraction form
    15,575.31/21,494.21 = 8,501.98/x
  3. Step 3: Cross multiply
    15,575.31x = 21,494.21 × 8,501.98
  4. Step 4: Simplify right side
    15,575.31x = 182,743,364.79
  5. Step 5: Solve for x
    x = 182,743,364.79/15,575.31
  6. Step 6: Final answer
    x = 11,732.89

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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.