Home / 9,328.13-13,977.59-5,165.57

Finding the Fourth Proportional to 9,328.13, 13,977.59 and 5,165.57

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Solution

The fourth proportional to 9,328.13, 13,977.59 and 5,165.57 is: 7,740.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,328.13 : 13,977.59 = 5,165.57 : x
  2. Step 2: Convert to fraction form
    9,328.13/13,977.59 = 5,165.57/x
  3. Step 3: Cross multiply
    9,328.13x = 13,977.59 × 5,165.57
  4. Step 4: Simplify right side
    9,328.13x = 72,202,193.75
  5. Step 5: Solve for x
    x = 72,202,193.75/9,328.13
  6. Step 6: Final answer
    x = 7,740.26

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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.