Home / 17,561.60-26,342.40-8,345.60

Finding the Fourth Proportional to 17,561.60, 26,342.40 and 8,345.60

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Solution

The fourth proportional to 17,561.60, 26,342.40 and 8,345.60 is: 12,518.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,561.60 : 26,342.40 = 8,345.60 : x
  2. Step 2: Convert to fraction form
    17,561.60/26,342.40 = 8,345.60/x
  3. Step 3: Cross multiply
    17,561.60x = 26,342.40 × 8,345.60
  4. Step 4: Simplify right side
    17,561.60x = 219,843,133.44
  5. Step 5: Solve for x
    x = 219,843,133.44/17,561.60
  6. Step 6: Final answer
    x = 12,518.40

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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.