Home / 10,856.34-16,285.32-4,615.65

Finding the Fourth Proportional to 10,856.34, 16,285.32 and 4,615.65

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Solution

The fourth proportional to 10,856.34, 16,285.32 and 4,615.65 is: 6,923.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,856.34 : 16,285.32 = 4,615.65 : x
  2. Step 2: Convert to fraction form
    10,856.34/16,285.32 = 4,615.65/x
  3. Step 3: Cross multiply
    10,856.34x = 16,285.32 × 4,615.65
  4. Step 4: Simplify right side
    10,856.34x = 75,167,337.26
  5. Step 5: Solve for x
    x = 75,167,337.26/10,856.34
  6. Step 6: Final answer
    x = 6,923.82

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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.