Home / 9,855.29-13,600.34-5,379.14

Finding the Fourth Proportional to 9,855.29, 13,600.34 and 5,379.14

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Solution

The fourth proportional to 9,855.29, 13,600.34 and 5,379.14 is: 7,423.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,855.29 : 13,600.34 = 5,379.14 : x
  2. Step 2: Convert to fraction form
    9,855.29/13,600.34 = 5,379.14/x
  3. Step 3: Cross multiply
    9,855.29x = 13,600.34 × 5,379.14
  4. Step 4: Simplify right side
    9,855.29x = 73,158,038.01
  5. Step 5: Solve for x
    x = 73,158,038.01/9,855.29
  6. Step 6: Final answer
    x = 7,423.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.