Home / 15,575.46-21,493.32-8,501.76

Finding the Fourth Proportional to 15,575.46, 21,493.32 and 8,501.76

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Solution

The fourth proportional to 15,575.46, 21,493.32 and 8,501.76 is: 11,731.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,575.46 : 21,493.32 = 8,501.76 : x
  2. Step 2: Convert to fraction form
    15,575.46/21,493.32 = 8,501.76/x
  3. Step 3: Cross multiply
    15,575.46x = 21,493.32 × 8,501.76
  4. Step 4: Simplify right side
    15,575.46x = 182,731,048.24
  5. Step 5: Solve for x
    x = 182,731,048.24/15,575.46
  6. Step 6: Final answer
    x = 11,731.98

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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.