Home / 10,890.24-16,337.28-5,053.44

Finding the Fourth Proportional to 10,890.24, 16,337.28 and 5,053.44

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Solution

The fourth proportional to 10,890.24, 16,337.28 and 5,053.44 is: 7,581.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,890.24 : 16,337.28 = 5,053.44 : x
  2. Step 2: Convert to fraction form
    10,890.24/16,337.28 = 5,053.44/x
  3. Step 3: Cross multiply
    10,890.24x = 16,337.28 × 5,053.44
  4. Step 4: Simplify right side
    10,890.24x = 82,559,464.24
  5. Step 5: Solve for x
    x = 82,559,464.24/10,890.24
  6. Step 6: Final answer
    x = 7,581.05

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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.