Home / 14,126.76-19,486.83-8,812.35

Finding the Fourth Proportional to 14,126.76, 19,486.83 and 8,812.35

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Solution

The fourth proportional to 14,126.76, 19,486.83 and 8,812.35 is: 12,155.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,126.76 : 19,486.83 = 8,812.35 : x
  2. Step 2: Convert to fraction form
    14,126.76/19,486.83 = 8,812.35/x
  3. Step 3: Cross multiply
    14,126.76x = 19,486.83 × 8,812.35
  4. Step 4: Simplify right side
    14,126.76x = 171,724,766.35
  5. Step 5: Solve for x
    x = 171,724,766.35/14,126.76
  6. Step 6: Final answer
    x = 12,155.99

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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.