Home / 9,418.56-14,130-4,155.07

Finding the Fourth Proportional to 9,418.56, 14,130 and 4,155.07

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Solution

The fourth proportional to 9,418.56, 14,130 and 4,155.07 is: 6,233.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,418.56 : 14,130 = 4,155.07 : x
  2. Step 2: Convert to fraction form
    9,418.56/14,130 = 4,155.07/x
  3. Step 3: Cross multiply
    9,418.56x = 14,130 × 4,155.07
  4. Step 4: Simplify right side
    9,418.56x = 58,711,139.10
  5. Step 5: Solve for x
    x = 58,711,139.10/9,418.56
  6. Step 6: Final answer
    x = 6,233.56

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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.