Home / 10,012.76-13,818.13-5,764.46

Finding the Fourth Proportional to 10,012.76, 13,818.13 and 5,764.46

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Solution

The fourth proportional to 10,012.76, 13,818.13 and 5,764.46 is: 7,955.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,012.76 : 13,818.13 = 5,764.46 : x
  2. Step 2: Convert to fraction form
    10,012.76/13,818.13 = 5,764.46/x
  3. Step 3: Cross multiply
    10,012.76x = 13,818.13 × 5,764.46
  4. Step 4: Simplify right side
    10,012.76x = 79,654,057.66
  5. Step 5: Solve for x
    x = 79,654,057.66/10,012.76
  6. Step 6: Final answer
    x = 7,955.25

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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.