Home / 19,294.60-26,651.55-13,315.72

Finding the Fourth Proportional to 19,294.60, 26,651.55 and 13,315.72

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Solution

The fourth proportional to 19,294.60, 26,651.55 and 13,315.72 is: 18,392.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,294.60 : 26,651.55 = 13,315.72 : x
  2. Step 2: Convert to fraction form
    19,294.60/26,651.55 = 13,315.72/x
  3. Step 3: Cross multiply
    19,294.60x = 26,651.55 × 13,315.72
  4. Step 4: Simplify right side
    19,294.60x = 354,884,577.37
  5. Step 5: Solve for x
    x = 354,884,577.37/19,294.60
  6. Step 6: Final answer
    x = 18,392.95

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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.