Home / 22,275.12-33,412.29-8,953.98

Finding the Fourth Proportional to 22,275.12, 33,412.29 and 8,953.98

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Solution

The fourth proportional to 22,275.12, 33,412.29 and 8,953.98 is: 13,430.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,275.12 : 33,412.29 = 8,953.98 : x
  2. Step 2: Convert to fraction form
    22,275.12/33,412.29 = 8,953.98/x
  3. Step 3: Cross multiply
    22,275.12x = 33,412.29 × 8,953.98
  4. Step 4: Simplify right side
    22,275.12x = 299,172,976.41
  5. Step 5: Solve for x
    x = 299,172,976.41/22,275.12
  6. Step 6: Final answer
    x = 13,430.81

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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.