Home / 18,856.62-26,010.54-13,558.53

Finding the Fourth Proportional to 18,856.62, 26,010.54 and 13,558.53

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Solution

The fourth proportional to 18,856.62, 26,010.54 and 13,558.53 is: 18,702.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,856.62 : 26,010.54 = 13,558.53 : x
  2. Step 2: Convert to fraction form
    18,856.62/26,010.54 = 13,558.53/x
  3. Step 3: Cross multiply
    18,856.62x = 26,010.54 × 13,558.53
  4. Step 4: Simplify right side
    18,856.62x = 352,664,686.91
  5. Step 5: Solve for x
    x = 352,664,686.91/18,856.62
  6. Step 6: Final answer
    x = 18,702.43

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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.