Home / 14,147.57-19,524.26-7,859.95

Finding the Fourth Proportional to 14,147.57, 19,524.26 and 7,859.95

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Solution

The fourth proportional to 14,147.57, 19,524.26 and 7,859.95 is: 10,847.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,147.57 : 19,524.26 = 7,859.95 : x
  2. Step 2: Convert to fraction form
    14,147.57/19,524.26 = 7,859.95/x
  3. Step 3: Cross multiply
    14,147.57x = 19,524.26 × 7,859.95
  4. Step 4: Simplify right side
    14,147.57x = 153,459,629.42
  5. Step 5: Solve for x
    x = 153,459,629.42/14,147.57
  6. Step 6: Final answer
    x = 10,847.07

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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.