Home / 14,026-19,355.90-7,738.80

Finding the Fourth Proportional to 14,026, 19,355.90 and 7,738.80

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Solution

The fourth proportional to 14,026, 19,355.90 and 7,738.80 is: 10,679.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,026 : 19,355.90 = 7,738.80 : x
  2. Step 2: Convert to fraction form
    14,026/19,355.90 = 7,738.80/x
  3. Step 3: Cross multiply
    14,026x = 19,355.90 × 7,738.80
  4. Step 4: Simplify right side
    14,026x = 149,791,438.92
  5. Step 5: Solve for x
    x = 149,791,438.92/14,026
  6. Step 6: Final answer
    x = 10,679.56

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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.