Home / 9,334.77-12,881.39-5,143.02

Finding the Fourth Proportional to 9,334.77, 12,881.39 and 5,143.02

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Solution

The fourth proportional to 9,334.77, 12,881.39 and 5,143.02 is: 7,097.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,334.77 : 12,881.39 = 5,143.02 : x
  2. Step 2: Convert to fraction form
    9,334.77/12,881.39 = 5,143.02/x
  3. Step 3: Cross multiply
    9,334.77x = 12,881.39 × 5,143.02
  4. Step 4: Simplify right side
    9,334.77x = 66,249,246.40
  5. Step 5: Solve for x
    x = 66,249,246.40/9,334.77
  6. Step 6: Final answer
    x = 7,097.04

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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.