Home / 10,898.40-16,349.08-3,500.40

Finding the Fourth Proportional to 10,898.40, 16,349.08 and 3,500.40

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Solution

The fourth proportional to 10,898.40, 16,349.08 and 3,500.40 is: 5,251.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,898.40 : 16,349.08 = 3,500.40 : x
  2. Step 2: Convert to fraction form
    10,898.40/16,349.08 = 3,500.40/x
  3. Step 3: Cross multiply
    10,898.40x = 16,349.08 × 3,500.40
  4. Step 4: Simplify right side
    10,898.40x = 57,228,319.63
  5. Step 5: Solve for x
    x = 57,228,319.63/10,898.40
  6. Step 6: Final answer
    x = 5,251.08

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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.