Home / 10,394.28-14,314.95-9,727.25

Finding the Fourth Proportional to 10,394.28, 14,314.95 and 9,727.25

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Solution

The fourth proportional to 10,394.28, 14,314.95 and 9,727.25 is: 13,396.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,394.28 : 14,314.95 = 9,727.25 : x
  2. Step 2: Convert to fraction form
    10,394.28/14,314.95 = 9,727.25/x
  3. Step 3: Cross multiply
    10,394.28x = 14,314.95 × 9,727.25
  4. Step 4: Simplify right side
    10,394.28x = 139,245,025.81
  5. Step 5: Solve for x
    x = 139,245,025.81/10,394.28
  6. Step 6: Final answer
    x = 13,396.31

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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.