Home / 22,278.65-30,744.53-13,328.26

Finding the Fourth Proportional to 22,278.65, 30,744.53 and 13,328.26

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Solution

The fourth proportional to 22,278.65, 30,744.53 and 13,328.26 is: 18,392.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,278.65 : 30,744.53 = 13,328.26 : x
  2. Step 2: Convert to fraction form
    22,278.65/30,744.53 = 13,328.26/x
  3. Step 3: Cross multiply
    22,278.65x = 30,744.53 × 13,328.26
  4. Step 4: Simplify right side
    22,278.65x = 409,771,089.42
  5. Step 5: Solve for x
    x = 409,771,089.42/22,278.65
  6. Step 6: Final answer
    x = 18,392.99

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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.