Home / 22,259.36-33,389.04-12,913.76

Finding the Fourth Proportional to 22,259.36, 33,389.04 and 12,913.76

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Solution

The fourth proportional to 22,259.36, 33,389.04 and 12,913.76 is: 19,370.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,259.36 : 33,389.04 = 12,913.76 : x
  2. Step 2: Convert to fraction form
    22,259.36/33,389.04 = 12,913.76/x
  3. Step 3: Cross multiply
    22,259.36x = 33,389.04 × 12,913.76
  4. Step 4: Simplify right side
    22,259.36x = 431,178,049.19
  5. Step 5: Solve for x
    x = 431,178,049.19/22,259.36
  6. Step 6: Final answer
    x = 19,370.64

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Similar ratio
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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.