Home / 15,061.06-20,782.56-8,344.99

Finding the Fourth Proportional to 15,061.06, 20,782.56 and 8,344.99

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Solution

The fourth proportional to 15,061.06, 20,782.56 and 8,344.99 is: 11,515.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,061.06 : 20,782.56 = 8,344.99 : x
  2. Step 2: Convert to fraction form
    15,061.06/20,782.56 = 8,344.99/x
  3. Step 3: Cross multiply
    15,061.06x = 20,782.56 × 8,344.99
  4. Step 4: Simplify right side
    15,061.06x = 173,430,255.37
  5. Step 5: Solve for x
    x = 173,430,255.37/15,061.06
  6. Step 6: Final answer
    x = 11,515.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.