Home / 10,261.76-15,374.09-4,719.74

Finding the Fourth Proportional to 10,261.76, 15,374.09 and 4,719.74

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Solution

The fourth proportional to 10,261.76, 15,374.09 and 4,719.74 is: 7,071.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,261.76 : 15,374.09 = 4,719.74 : x
  2. Step 2: Convert to fraction form
    10,261.76/15,374.09 = 4,719.74/x
  3. Step 3: Cross multiply
    10,261.76x = 15,374.09 × 4,719.74
  4. Step 4: Simplify right side
    10,261.76x = 72,561,642.47
  5. Step 5: Solve for x
    x = 72,561,642.47/10,261.76
  6. Step 6: Final answer
    x = 7,071.08

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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.