Home / 14,057.91-19,406.15-8,756.26

Finding the Fourth Proportional to 14,057.91, 19,406.15 and 8,756.26

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Solution

The fourth proportional to 14,057.91, 19,406.15 and 8,756.26 is: 12,087.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,057.91 : 19,406.15 = 8,756.26 : x
  2. Step 2: Convert to fraction form
    14,057.91/19,406.15 = 8,756.26/x
  3. Step 3: Cross multiply
    14,057.91x = 19,406.15 × 8,756.26
  4. Step 4: Simplify right side
    14,057.91x = 169,925,235.54
  5. Step 5: Solve for x
    x = 169,925,235.54/14,057.91
  6. Step 6: Final answer
    x = 12,087.52

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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.