Home / 13,832.80-19,089.18-7,864.47

Finding the Fourth Proportional to 13,832.80, 19,089.18 and 7,864.47

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Solution

The fourth proportional to 13,832.80, 19,089.18 and 7,864.47 is: 10,852.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,832.80 : 19,089.18 = 7,864.47 : x
  2. Step 2: Convert to fraction form
    13,832.80/19,089.18 = 7,864.47/x
  3. Step 3: Cross multiply
    13,832.80x = 19,089.18 × 7,864.47
  4. Step 4: Simplify right side
    13,832.80x = 150,126,283.43
  5. Step 5: Solve for x
    x = 150,126,283.43/13,832.80
  6. Step 6: Final answer
    x = 10,852.92

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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.