Home / 12,901.74-19,350-4,581.60

Finding the Fourth Proportional to 12,901.74, 19,350 and 4,581.60

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Solution

The fourth proportional to 12,901.74, 19,350 and 4,581.60 is: 6,871.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,901.74 : 19,350 = 4,581.60 : x
  2. Step 2: Convert to fraction form
    12,901.74/19,350 = 4,581.60/x
  3. Step 3: Cross multiply
    12,901.74x = 19,350 × 4,581.60
  4. Step 4: Simplify right side
    12,901.74x = 88,653,960
  5. Step 5: Solve for x
    x = 88,653,960/12,901.74
  6. Step 6: Final answer
    x = 6,871.47

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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.