Home / 10,396.15-14,356.79-8,895.30

Finding the Fourth Proportional to 10,396.15, 14,356.79 and 8,895.30

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Solution

The fourth proportional to 10,396.15, 14,356.79 and 8,895.30 is: 12,284.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,396.15 : 14,356.79 = 8,895.30 : x
  2. Step 2: Convert to fraction form
    10,396.15/14,356.79 = 8,895.30/x
  3. Step 3: Cross multiply
    10,396.15x = 14,356.79 × 8,895.30
  4. Step 4: Simplify right side
    10,396.15x = 127,707,954.09
  5. Step 5: Solve for x
    x = 127,707,954.09/10,396.15
  6. Step 6: Final answer
    x = 12,284.16

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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.