Home / 9,975.04-13,765.64-5,498.69

Finding the Fourth Proportional to 9,975.04, 13,765.64 and 5,498.69

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Solution

The fourth proportional to 9,975.04, 13,765.64 and 5,498.69 is: 7,588.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,975.04 : 13,765.64 = 5,498.69 : x
  2. Step 2: Convert to fraction form
    9,975.04/13,765.64 = 5,498.69/x
  3. Step 3: Cross multiply
    9,975.04x = 13,765.64 × 5,498.69
  4. Step 4: Simplify right side
    9,975.04x = 75,692,890.69
  5. Step 5: Solve for x
    x = 75,692,890.69/9,975.04
  6. Step 6: Final answer
    x = 7,588.23

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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.