Home / 17,741.81-26,612.70-7,217.55

Finding the Fourth Proportional to 17,741.81, 26,612.70 and 7,217.55

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Solution

The fourth proportional to 17,741.81, 26,612.70 and 7,217.55 is: 10,826.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,741.81 : 26,612.70 = 7,217.55 : x
  2. Step 2: Convert to fraction form
    17,741.81/26,612.70 = 7,217.55/x
  3. Step 3: Cross multiply
    17,741.81x = 26,612.70 × 7,217.55
  4. Step 4: Simplify right side
    17,741.81x = 192,078,492.89
  5. Step 5: Solve for x
    x = 192,078,492.89/17,741.81
  6. Step 6: Final answer
    x = 10,826.32

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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.