Home / 9,528.36-13,143.78-6,729

Finding the Fourth Proportional to 9,528.36, 13,143.78 and 6,729

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Solution

The fourth proportional to 9,528.36, 13,143.78 and 6,729 is: 9,282.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,528.36 : 13,143.78 = 6,729 : x
  2. Step 2: Convert to fraction form
    9,528.36/13,143.78 = 6,729/x
  3. Step 3: Cross multiply
    9,528.36x = 13,143.78 × 6,729
  4. Step 4: Simplify right side
    9,528.36x = 88,444,495.62
  5. Step 5: Solve for x
    x = 88,444,495.62/9,528.36
  6. Step 6: Final answer
    x = 9,282.24

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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.