Home / 9,366.31-12,926.80-5,387.32

Finding the Fourth Proportional to 9,366.31, 12,926.80 and 5,387.32

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Solution

The fourth proportional to 9,366.31, 12,926.80 and 5,387.32 is: 7,435.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,366.31 : 12,926.80 = 5,387.32 : x
  2. Step 2: Convert to fraction form
    9,366.31/12,926.80 = 5,387.32/x
  3. Step 3: Cross multiply
    9,366.31x = 12,926.80 × 5,387.32
  4. Step 4: Simplify right side
    9,366.31x = 69,640,808.18
  5. Step 5: Solve for x
    x = 69,640,808.18/9,366.31
  6. Step 6: Final answer
    x = 7,435.24

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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.