Home / 17,719.40-26,581.02-6,631.40

Finding the Fourth Proportional to 17,719.40, 26,581.02 and 6,631.40

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Solution

The fourth proportional to 17,719.40, 26,581.02 and 6,631.40 is: 9,947.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,719.40 : 26,581.02 = 6,631.40 : x
  2. Step 2: Convert to fraction form
    17,719.40/26,581.02 = 6,631.40/x
  3. Step 3: Cross multiply
    17,719.40x = 26,581.02 × 6,631.40
  4. Step 4: Simplify right side
    17,719.40x = 176,269,376.03
  5. Step 5: Solve for x
    x = 176,269,376.03/17,719.40
  6. Step 6: Final answer
    x = 9,947.82

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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.