Home / 34,157.07-51,229.81-9,191.55

Finding the Fourth Proportional to 34,157.07, 51,229.81 and 9,191.55

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Solution

The fourth proportional to 34,157.07, 51,229.81 and 9,191.55 is: 13,785.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,157.07 : 51,229.81 = 9,191.55 : x
  2. Step 2: Convert to fraction form
    34,157.07/51,229.81 = 9,191.55/x
  3. Step 3: Cross multiply
    34,157.07x = 51,229.81 × 9,191.55
  4. Step 4: Simplify right side
    34,157.07x = 470,881,360.11
  5. Step 5: Solve for x
    x = 470,881,360.11/34,157.07
  6. Step 6: Final answer
    x = 13,785.77

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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.