Home / 18,867.60-26,038.73-11,314.22

Finding the Fourth Proportional to 18,867.60, 26,038.73 and 11,314.22

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Solution

The fourth proportional to 18,867.60, 26,038.73 and 11,314.22 is: 15,614.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,867.60 : 26,038.73 = 11,314.22 : x
  2. Step 2: Convert to fraction form
    18,867.60/26,038.73 = 11,314.22/x
  3. Step 3: Cross multiply
    18,867.60x = 26,038.73 × 11,314.22
  4. Step 4: Simplify right side
    18,867.60x = 294,607,817.83
  5. Step 5: Solve for x
    x = 294,607,817.83/18,867.60
  6. Step 6: Final answer
    x = 15,614.48

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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.