Home / 26,151.81-39,227.36-6,430.20

Finding the Fourth Proportional to 26,151.81, 39,227.36 and 6,430.20

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Solution

The fourth proportional to 26,151.81, 39,227.36 and 6,430.20 is: 9,645.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,151.81 : 39,227.36 = 6,430.20 : x
  2. Step 2: Convert to fraction form
    26,151.81/39,227.36 = 6,430.20/x
  3. Step 3: Cross multiply
    26,151.81x = 39,227.36 × 6,430.20
  4. Step 4: Simplify right side
    26,151.81x = 252,239,738.12
  5. Step 5: Solve for x
    x = 252,239,738.12/26,151.81
  6. Step 6: Final answer
    x = 9,645.21

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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.