Home / 11,177.51-15,423.14-6,460.88

Finding the Fourth Proportional to 11,177.51, 15,423.14 and 6,460.88

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Solution

The fourth proportional to 11,177.51, 15,423.14 and 6,460.88 is: 8,914.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,177.51 : 15,423.14 = 6,460.88 : x
  2. Step 2: Convert to fraction form
    11,177.51/15,423.14 = 6,460.88/x
  3. Step 3: Cross multiply
    11,177.51x = 15,423.14 × 6,460.88
  4. Step 4: Simplify right side
    11,177.51x = 99,646,995.80
  5. Step 5: Solve for x
    x = 99,646,995.80/11,177.51
  6. Step 6: Final answer
    x = 8,914.96

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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.