Home / 19,378.46-26,750.40-13,099.34

Finding the Fourth Proportional to 19,378.46, 26,750.40 and 13,099.34

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Solution

The fourth proportional to 19,378.46, 26,750.40 and 13,099.34 is: 18,082.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,378.46 : 26,750.40 = 13,099.34 : x
  2. Step 2: Convert to fraction form
    19,378.46/26,750.40 = 13,099.34/x
  3. Step 3: Cross multiply
    19,378.46x = 26,750.40 × 13,099.34
  4. Step 4: Simplify right side
    19,378.46x = 350,412,584.74
  5. Step 5: Solve for x
    x = 350,412,584.74/19,378.46
  6. Step 6: Final answer
    x = 18,082.58

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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.