Home / 14,392.33-19,871.21-9,016.99

Finding the Fourth Proportional to 14,392.33, 19,871.21 and 9,016.99

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Solution

The fourth proportional to 14,392.33, 19,871.21 and 9,016.99 is: 12,449.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,392.33 : 19,871.21 = 9,016.99 : x
  2. Step 2: Convert to fraction form
    14,392.33/19,871.21 = 9,016.99/x
  3. Step 3: Cross multiply
    14,392.33x = 19,871.21 × 9,016.99
  4. Step 4: Simplify right side
    14,392.33x = 179,178,501.86
  5. Step 5: Solve for x
    x = 179,178,501.86/14,392.33
  6. Step 6: Final answer
    x = 12,449.58

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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.