Home / 14,270.16-21,408.88-5,502.72

Finding the Fourth Proportional to 14,270.16, 21,408.88 and 5,502.72

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Solution

The fourth proportional to 14,270.16, 21,408.88 and 5,502.72 is: 8,255.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,270.16 : 21,408.88 = 5,502.72 : x
  2. Step 2: Convert to fraction form
    14,270.16/21,408.88 = 5,502.72/x
  3. Step 3: Cross multiply
    14,270.16x = 21,408.88 × 5,502.72
  4. Step 4: Simplify right side
    14,270.16x = 117,807,072.15
  5. Step 5: Solve for x
    x = 117,807,072.15/14,270.16
  6. Step 6: Final answer
    x = 8,255.48

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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.