Home / 10,214.74-15,309.15-5,283.46

Finding the Fourth Proportional to 10,214.74, 15,309.15 and 5,283.46

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Solution

The fourth proportional to 10,214.74, 15,309.15 and 5,283.46 is: 7,918.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,214.74 : 15,309.15 = 5,283.46 : x
  2. Step 2: Convert to fraction form
    10,214.74/15,309.15 = 5,283.46/x
  3. Step 3: Cross multiply
    10,214.74x = 15,309.15 × 5,283.46
  4. Step 4: Simplify right side
    10,214.74x = 80,885,281.66
  5. Step 5: Solve for x
    x = 80,885,281.66/10,214.74
  6. Step 6: Final answer
    x = 7,918.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.