Home / 19,360.42-26,725.56-13,081.30

Finding the Fourth Proportional to 19,360.42, 26,725.56 and 13,081.30

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Solution

The fourth proportional to 19,360.42, 26,725.56 and 13,081.30 is: 18,057.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,360.42 : 26,725.56 = 13,081.30 : x
  2. Step 2: Convert to fraction form
    19,360.42/26,725.56 = 13,081.30/x
  3. Step 3: Cross multiply
    19,360.42x = 26,725.56 × 13,081.30
  4. Step 4: Simplify right side
    19,360.42x = 349,605,068.03
  5. Step 5: Solve for x
    x = 349,605,068.03/19,360.42
  6. Step 6: Final answer
    x = 18,057.72

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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.