Home / 10,213.73-15,328.22-7,587.30

Finding the Fourth Proportional to 10,213.73, 15,328.22 and 7,587.30

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Solution

The fourth proportional to 10,213.73, 15,328.22 and 7,587.30 is: 11,386.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,213.73 : 15,328.22 = 7,587.30 : x
  2. Step 2: Convert to fraction form
    10,213.73/15,328.22 = 7,587.30/x
  3. Step 3: Cross multiply
    10,213.73x = 15,328.22 × 7,587.30
  4. Step 4: Simplify right side
    10,213.73x = 116,299,803.61
  5. Step 5: Solve for x
    x = 116,299,803.61/10,213.73
  6. Step 6: Final answer
    x = 11,386.61

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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.