Home / 10,856.75-14,982.32-6,140.93

Finding the Fourth Proportional to 10,856.75, 14,982.32 and 6,140.93

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Solution

The fourth proportional to 10,856.75, 14,982.32 and 6,140.93 is: 8,474.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,856.75 : 14,982.32 = 6,140.93 : x
  2. Step 2: Convert to fraction form
    10,856.75/14,982.32 = 6,140.93/x
  3. Step 3: Cross multiply
    10,856.75x = 14,982.32 × 6,140.93
  4. Step 4: Simplify right side
    10,856.75x = 92,005,378.36
  5. Step 5: Solve for x
    x = 92,005,378.36/10,856.75
  6. Step 6: Final answer
    x = 8,474.49

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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.