Home / 19,412.04-29,117.82-8,309.28

Finding the Fourth Proportional to 19,412.04, 29,117.82 and 8,309.28

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Solution

The fourth proportional to 19,412.04, 29,117.82 and 8,309.28 is: 12,463.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,412.04 : 29,117.82 = 8,309.28 : x
  2. Step 2: Convert to fraction form
    19,412.04/29,117.82 = 8,309.28/x
  3. Step 3: Cross multiply
    19,412.04x = 29,117.82 × 8,309.28
  4. Step 4: Simplify right side
    19,412.04x = 241,948,119.37
  5. Step 5: Solve for x
    x = 241,948,119.37/19,412.04
  6. Step 6: Final answer
    x = 12,463.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.