Home / 19,286.59-26,617.95-10,789.18

Finding the Fourth Proportional to 19,286.59, 26,617.95 and 10,789.18

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Solution

The fourth proportional to 19,286.59, 26,617.95 and 10,789.18 is: 14,890.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,286.59 : 26,617.95 = 10,789.18 : x
  2. Step 2: Convert to fraction form
    19,286.59/26,617.95 = 10,789.18/x
  3. Step 3: Cross multiply
    19,286.59x = 26,617.95 × 10,789.18
  4. Step 4: Simplify right side
    19,286.59x = 287,185,853.78
  5. Step 5: Solve for x
    x = 287,185,853.78/19,286.59
  6. Step 6: Final answer
    x = 14,890.45

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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.