Home / 11,104.16-15,316.70-8,445.74

Finding the Fourth Proportional to 11,104.16, 15,316.70 and 8,445.74

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Solution

The fourth proportional to 11,104.16, 15,316.70 and 8,445.74 is: 11,649.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,104.16 : 15,316.70 = 8,445.74 : x
  2. Step 2: Convert to fraction form
    11,104.16/15,316.70 = 8,445.74/x
  3. Step 3: Cross multiply
    11,104.16x = 15,316.70 × 8,445.74
  4. Step 4: Simplify right side
    11,104.16x = 129,360,823.63
  5. Step 5: Solve for x
    x = 129,360,823.63/11,104.16
  6. Step 6: Final answer
    x = 11,649.76

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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.