Home / 9,798.12-14,697.32-5,406.03

Finding the Fourth Proportional to 9,798.12, 14,697.32 and 5,406.03

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Solution

The fourth proportional to 9,798.12, 14,697.32 and 5,406.03 is: 8,109.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,798.12 : 14,697.32 = 5,406.03 : x
  2. Step 2: Convert to fraction form
    9,798.12/14,697.32 = 5,406.03/x
  3. Step 3: Cross multiply
    9,798.12x = 14,697.32 × 5,406.03
  4. Step 4: Simplify right side
    9,798.12x = 79,454,125.81
  5. Step 5: Solve for x
    x = 79,454,125.81/9,798.12
  6. Step 6: Final answer
    x = 8,109.12

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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.