Home / 17,938.68-26,911.35-5,459.82

Finding the Fourth Proportional to 17,938.68, 26,911.35 and 5,459.82

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Solution

The fourth proportional to 17,938.68, 26,911.35 and 5,459.82 is: 8,190.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,938.68 : 26,911.35 = 5,459.82 : x
  2. Step 2: Convert to fraction form
    17,938.68/26,911.35 = 5,459.82/x
  3. Step 3: Cross multiply
    17,938.68x = 26,911.35 × 5,459.82
  4. Step 4: Simplify right side
    17,938.68x = 146,931,126.96
  5. Step 5: Solve for x
    x = 146,931,126.96/17,938.68
  6. Step 6: Final answer
    x = 8,190.74

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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.