Home / 17,742.32-26,547.52-11,137.60

Finding the Fourth Proportional to 17,742.32, 26,547.52 and 11,137.60

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Solution

The fourth proportional to 17,742.32, 26,547.52 and 11,137.60 is: 16,664.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,742.32 : 26,547.52 = 11,137.60 : x
  2. Step 2: Convert to fraction form
    17,742.32/26,547.52 = 11,137.60/x
  3. Step 3: Cross multiply
    17,742.32x = 26,547.52 × 11,137.60
  4. Step 4: Simplify right side
    17,742.32x = 295,675,658.75
  5. Step 5: Solve for x
    x = 295,675,658.75/17,742.32
  6. Step 6: Final answer
    x = 16,664.99

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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.