Home / 19,359.42-26,724.18-13,080.30

Finding the Fourth Proportional to 19,359.42, 26,724.18 and 13,080.30

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Solution

The fourth proportional to 19,359.42, 26,724.18 and 13,080.30 is: 18,056.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,359.42 : 26,724.18 = 13,080.30 : x
  2. Step 2: Convert to fraction form
    19,359.42/26,724.18 = 13,080.30/x
  3. Step 3: Cross multiply
    19,359.42x = 26,724.18 × 13,080.30
  4. Step 4: Simplify right side
    19,359.42x = 349,560,291.65
  5. Step 5: Solve for x
    x = 349,560,291.65/19,359.42
  6. Step 6: Final answer
    x = 18,056.34

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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.