Home / 11,743.79-16,207.29-6,439.10

Finding the Fourth Proportional to 11,743.79, 16,207.29 and 6,439.10

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Solution

The fourth proportional to 11,743.79, 16,207.29 and 6,439.10 is: 8,886.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,743.79 : 16,207.29 = 6,439.10 : x
  2. Step 2: Convert to fraction form
    11,743.79/16,207.29 = 6,439.10/x
  3. Step 3: Cross multiply
    11,743.79x = 16,207.29 × 6,439.10
  4. Step 4: Simplify right side
    11,743.79x = 104,360,280.00
  5. Step 5: Solve for x
    x = 104,360,280.00/11,743.79
  6. Step 6: Final answer
    x = 8,886.43

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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.