Home / 10,356.31-14,293.63-9,723.30

Finding the Fourth Proportional to 10,356.31, 14,293.63 and 9,723.30

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Solution

The fourth proportional to 10,356.31, 14,293.63 and 9,723.30 is: 13,419.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,356.31 : 14,293.63 = 9,723.30 : x
  2. Step 2: Convert to fraction form
    10,356.31/14,293.63 = 9,723.30/x
  3. Step 3: Cross multiply
    10,356.31x = 14,293.63 × 9,723.30
  4. Step 4: Simplify right side
    10,356.31x = 138,981,252.58
  5. Step 5: Solve for x
    x = 138,981,252.58/10,356.31
  6. Step 6: Final answer
    x = 13,419.96

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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.