Home / 13,994.54-19,325.29-8,891.70

Finding the Fourth Proportional to 13,994.54, 19,325.29 and 8,891.70

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Solution

The fourth proportional to 13,994.54, 19,325.29 and 8,891.70 is: 12,278.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,994.54 : 19,325.29 = 8,891.70 : x
  2. Step 2: Convert to fraction form
    13,994.54/19,325.29 = 8,891.70/x
  3. Step 3: Cross multiply
    13,994.54x = 19,325.29 × 8,891.70
  4. Step 4: Simplify right side
    13,994.54x = 171,834,681.09
  5. Step 5: Solve for x
    x = 171,834,681.09/13,994.54
  6. Step 6: Final answer
    x = 12,278.69

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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.