Home / 10,856.79-16,284.90-3,461.70

Finding the Fourth Proportional to 10,856.79, 16,284.90 and 3,461.70

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Solution

The fourth proportional to 10,856.79, 16,284.90 and 3,461.70 is: 5,192.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,856.79 : 16,284.90 = 3,461.70 : x
  2. Step 2: Convert to fraction form
    10,856.79/16,284.90 = 3,461.70/x
  3. Step 3: Cross multiply
    10,856.79x = 16,284.90 × 3,461.70
  4. Step 4: Simplify right side
    10,856.79x = 56,373,438.33
  5. Step 5: Solve for x
    x = 56,373,438.33/10,856.79
  6. Step 6: Final answer
    x = 5,192.46

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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.