Home / 10,551.93-15,816.50-6,856.81

Finding the Fourth Proportional to 10,551.93, 15,816.50 and 6,856.81

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Solution

The fourth proportional to 10,551.93, 15,816.50 and 6,856.81 is: 10,277.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,551.93 : 15,816.50 = 6,856.81 : x
  2. Step 2: Convert to fraction form
    10,551.93/15,816.50 = 6,856.81/x
  3. Step 3: Cross multiply
    10,551.93x = 15,816.50 × 6,856.81
  4. Step 4: Simplify right side
    10,551.93x = 108,450,687.25
  5. Step 5: Solve for x
    x = 108,450,687.25/10,551.93
  6. Step 6: Final answer
    x = 10,277.81

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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.