Home / 17,789.60-26,684.40-9,916.40

Finding the Fourth Proportional to 17,789.60, 26,684.40 and 9,916.40

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Solution

The fourth proportional to 17,789.60, 26,684.40 and 9,916.40 is: 14,874.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,789.60 : 26,684.40 = 9,916.40 : x
  2. Step 2: Convert to fraction form
    17,789.60/26,684.40 = 9,916.40/x
  3. Step 3: Cross multiply
    17,789.60x = 26,684.40 × 9,916.40
  4. Step 4: Simplify right side
    17,789.60x = 264,613,184.16
  5. Step 5: Solve for x
    x = 264,613,184.16/17,789.60
  6. Step 6: Final answer
    x = 14,874.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.