Home / 19,293.60-26,650.17-13,314.72

Finding the Fourth Proportional to 19,293.60, 26,650.17 and 13,314.72

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Solution

The fourth proportional to 19,293.60, 26,650.17 and 13,314.72 is: 18,391.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,293.60 : 26,650.17 = 13,314.72 : x
  2. Step 2: Convert to fraction form
    19,293.60/26,650.17 = 13,314.72/x
  3. Step 3: Cross multiply
    19,293.60x = 26,650.17 × 13,314.72
  4. Step 4: Simplify right side
    19,293.60x = 354,839,551.50
  5. Step 5: Solve for x
    x = 354,839,551.50/19,293.60
  6. Step 6: Final answer
    x = 18,391.57

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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.