Home / 13,981.05-19,294.94-8,014.19

Finding the Fourth Proportional to 13,981.05, 19,294.94 and 8,014.19

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Solution

The fourth proportional to 13,981.05, 19,294.94 and 8,014.19 is: 11,060.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,981.05 : 19,294.94 = 8,014.19 : x
  2. Step 2: Convert to fraction form
    13,981.05/19,294.94 = 8,014.19/x
  3. Step 3: Cross multiply
    13,981.05x = 19,294.94 × 8,014.19
  4. Step 4: Simplify right side
    13,981.05x = 154,633,238.76
  5. Step 5: Solve for x
    x = 154,633,238.76/13,981.05
  6. Step 6: Final answer
    x = 11,060.20

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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.