Home / 14,163.80-19,547.10-8,498.79

Finding the Fourth Proportional to 14,163.80, 19,547.10 and 8,498.79

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Solution

The fourth proportional to 14,163.80, 19,547.10 and 8,498.79 is: 11,728.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,163.80 : 19,547.10 = 8,498.79 : x
  2. Step 2: Convert to fraction form
    14,163.80/19,547.10 = 8,498.79/x
  3. Step 3: Cross multiply
    14,163.80x = 19,547.10 × 8,498.79
  4. Step 4: Simplify right side
    14,163.80x = 166,126,698.01
  5. Step 5: Solve for x
    x = 166,126,698.01/14,163.80
  6. Step 6: Final answer
    x = 11,728.97

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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.