Home / 11,008.58-15,186.70-6,469.76

Finding the Fourth Proportional to 11,008.58, 15,186.70 and 6,469.76

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Solution

The fourth proportional to 11,008.58, 15,186.70 and 6,469.76 is: 8,925.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,008.58 : 15,186.70 = 6,469.76 : x
  2. Step 2: Convert to fraction form
    11,008.58/15,186.70 = 6,469.76/x
  3. Step 3: Cross multiply
    11,008.58x = 15,186.70 × 6,469.76
  4. Step 4: Simplify right side
    11,008.58x = 98,254,304.19
  5. Step 5: Solve for x
    x = 98,254,304.19/11,008.58
  6. Step 6: Final answer
    x = 8,925.25

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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.