Home / 10,890.96-16,337.16-4,647.48

Finding the Fourth Proportional to 10,890.96, 16,337.16 and 4,647.48

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Solution

The fourth proportional to 10,890.96, 16,337.16 and 4,647.48 is: 6,971.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,890.96 : 16,337.16 = 4,647.48 : x
  2. Step 2: Convert to fraction form
    10,890.96/16,337.16 = 4,647.48/x
  3. Step 3: Cross multiply
    10,890.96x = 16,337.16 × 4,647.48
  4. Step 4: Simplify right side
    10,890.96x = 75,926,624.36
  5. Step 5: Solve for x
    x = 75,926,624.36/10,890.96
  6. Step 6: Final answer
    x = 6,971.53

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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.