Home / 10,326.21-15,558.20-9,340.17

Finding the Fourth Proportional to 10,326.21, 15,558.20 and 9,340.17

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Solution

The fourth proportional to 10,326.21, 15,558.20 and 9,340.17 is: 14,072.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,326.21 : 15,558.20 = 9,340.17 : x
  2. Step 2: Convert to fraction form
    10,326.21/15,558.20 = 9,340.17/x
  3. Step 3: Cross multiply
    10,326.21x = 15,558.20 × 9,340.17
  4. Step 4: Simplify right side
    10,326.21x = 145,316,232.89
  5. Step 5: Solve for x
    x = 145,316,232.89/10,326.21
  6. Step 6: Final answer
    x = 14,072.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.