Home / 14,155.36-21,233.09-4,294.72

Finding the Fourth Proportional to 14,155.36, 21,233.09 and 4,294.72

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Solution

The fourth proportional to 14,155.36, 21,233.09 and 4,294.72 is: 6,442.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,155.36 : 21,233.09 = 4,294.72 : x
  2. Step 2: Convert to fraction form
    14,155.36/21,233.09 = 4,294.72/x
  3. Step 3: Cross multiply
    14,155.36x = 21,233.09 × 4,294.72
  4. Step 4: Simplify right side
    14,155.36x = 91,190,176.28
  5. Step 5: Solve for x
    x = 91,190,176.28/14,155.36
  6. Step 6: Final answer
    x = 6,442.10

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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.