Home / 10,013.66-13,818.63-5,537.60

Finding the Fourth Proportional to 10,013.66, 13,818.63 and 5,537.60

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Solution

The fourth proportional to 10,013.66, 13,818.63 and 5,537.60 is: 7,641.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,013.66 : 13,818.63 = 5,537.60 : x
  2. Step 2: Convert to fraction form
    10,013.66/13,818.63 = 5,537.60/x
  3. Step 3: Cross multiply
    10,013.66x = 13,818.63 × 5,537.60
  4. Step 4: Simplify right side
    10,013.66x = 76,521,976.39
  5. Step 5: Solve for x
    x = 76,521,976.39/10,013.66
  6. Step 6: Final answer
    x = 7,641.76

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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.