Home / 9,718.64-13,411.60-5,469.68

Finding the Fourth Proportional to 9,718.64, 13,411.60 and 5,469.68

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Solution

The fourth proportional to 9,718.64, 13,411.60 and 5,469.68 is: 7,548.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,718.64 : 13,411.60 = 5,469.68 : x
  2. Step 2: Convert to fraction form
    9,718.64/13,411.60 = 5,469.68/x
  3. Step 3: Cross multiply
    9,718.64x = 13,411.60 × 5,469.68
  4. Step 4: Simplify right side
    9,718.64x = 73,357,160.29
  5. Step 5: Solve for x
    x = 73,357,160.29/9,718.64
  6. Step 6: Final answer
    x = 7,548.09

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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.