Home / 9,701.36-13,392.80-5,723.68

Finding the Fourth Proportional to 9,701.36, 13,392.80 and 5,723.68

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Solution

The fourth proportional to 9,701.36, 13,392.80 and 5,723.68 is: 7,901.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,701.36 : 13,392.80 = 5,723.68 : x
  2. Step 2: Convert to fraction form
    9,701.36/13,392.80 = 5,723.68/x
  3. Step 3: Cross multiply
    9,701.36x = 13,392.80 × 5,723.68
  4. Step 4: Simplify right side
    9,701.36x = 76,656,101.50
  5. Step 5: Solve for x
    x = 76,656,101.50/9,701.36
  6. Step 6: Final answer
    x = 7,901.58

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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.