Home / 19,170.70-28,753.60-14,247.52

Finding the Fourth Proportional to 19,170.70, 28,753.60 and 14,247.52

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Solution

The fourth proportional to 19,170.70, 28,753.60 and 14,247.52 is: 21,369.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,170.70 : 28,753.60 = 14,247.52 : x
  2. Step 2: Convert to fraction form
    19,170.70/28,753.60 = 14,247.52/x
  3. Step 3: Cross multiply
    19,170.70x = 28,753.60 × 14,247.52
  4. Step 4: Simplify right side
    19,170.70x = 409,667,491.07
  5. Step 5: Solve for x
    x = 409,667,491.07/19,170.70
  6. Step 6: Final answer
    x = 21,369.46

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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.