Home / 14,285.19-19,711.22-8,976.25

Finding the Fourth Proportional to 14,285.19, 19,711.22 and 8,976.25

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Solution

The fourth proportional to 14,285.19, 19,711.22 and 8,976.25 is: 12,385.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,285.19 : 19,711.22 = 8,976.25 : x
  2. Step 2: Convert to fraction form
    14,285.19/19,711.22 = 8,976.25/x
  3. Step 3: Cross multiply
    14,285.19x = 19,711.22 × 8,976.25
  4. Step 4: Simplify right side
    14,285.19x = 176,932,838.53
  5. Step 5: Solve for x
    x = 176,932,838.53/14,285.19
  6. Step 6: Final answer
    x = 12,385.75

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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.