Home / 14,339.81-19,788.24-7,966.80

Finding the Fourth Proportional to 14,339.81, 19,788.24 and 7,966.80

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Solution

The fourth proportional to 14,339.81, 19,788.24 and 7,966.80 is: 10,993.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,339.81 : 19,788.24 = 7,966.80 : x
  2. Step 2: Convert to fraction form
    14,339.81/19,788.24 = 7,966.80/x
  3. Step 3: Cross multiply
    14,339.81x = 19,788.24 × 7,966.80
  4. Step 4: Simplify right side
    14,339.81x = 157,648,950.43
  5. Step 5: Solve for x
    x = 157,648,950.43/14,339.81
  6. Step 6: Final answer
    x = 10,993.80

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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.