Home / 10,856.54-16,282.98-4,931.60

Finding the Fourth Proportional to 10,856.54, 16,282.98 and 4,931.60

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Solution

The fourth proportional to 10,856.54, 16,282.98 and 4,931.60 is: 7,396.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,856.54 : 16,282.98 = 4,931.60 : x
  2. Step 2: Convert to fraction form
    10,856.54/16,282.98 = 4,931.60/x
  3. Step 3: Cross multiply
    10,856.54x = 16,282.98 × 4,931.60
  4. Step 4: Simplify right side
    10,856.54x = 80,301,144.17
  5. Step 5: Solve for x
    x = 80,301,144.17/10,856.54
  6. Step 6: Final answer
    x = 7,396.57

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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.