Home / 14,320.87-21,489.81-7,746.91

Finding the Fourth Proportional to 14,320.87, 21,489.81 and 7,746.91

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Solution

The fourth proportional to 14,320.87, 21,489.81 and 7,746.91 is: 11,624.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,320.87 : 21,489.81 = 7,746.91 : x
  2. Step 2: Convert to fraction form
    14,320.87/21,489.81 = 7,746.91/x
  3. Step 3: Cross multiply
    14,320.87x = 21,489.81 × 7,746.91
  4. Step 4: Simplify right side
    14,320.87x = 166,479,623.99
  5. Step 5: Solve for x
    x = 166,479,623.99/14,320.87
  6. Step 6: Final answer
    x = 11,624.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.