Home / 9,975.07-13,766.21-5,498.81

Finding the Fourth Proportional to 9,975.07, 13,766.21 and 5,498.81

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Solution

The fourth proportional to 9,975.07, 13,766.21 and 5,498.81 is: 7,588.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,975.07 : 13,766.21 = 5,498.81 : x
  2. Step 2: Convert to fraction form
    9,975.07/13,766.21 = 5,498.81/x
  3. Step 3: Cross multiply
    9,975.07x = 13,766.21 × 5,498.81
  4. Step 4: Simplify right side
    9,975.07x = 75,697,749.13
  5. Step 5: Solve for x
    x = 75,697,749.13/9,975.07
  6. Step 6: Final answer
    x = 7,588.69

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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.