Home / 26,181.36-39,270.60-6,459.84

Finding the Fourth Proportional to 26,181.36, 39,270.60 and 6,459.84

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Solution

The fourth proportional to 26,181.36, 39,270.60 and 6,459.84 is: 9,689.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,181.36 : 39,270.60 = 6,459.84 : x
  2. Step 2: Convert to fraction form
    26,181.36/39,270.60 = 6,459.84/x
  3. Step 3: Cross multiply
    26,181.36x = 39,270.60 × 6,459.84
  4. Step 4: Simplify right side
    26,181.36x = 253,681,792.70
  5. Step 5: Solve for x
    x = 253,681,792.70/26,181.36
  6. Step 6: Final answer
    x = 9,689.40

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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.