Home / 16,905.40-25,349.64-5,217.10

Finding the Fourth Proportional to 16,905.40, 25,349.64 and 5,217.10

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Solution

The fourth proportional to 16,905.40, 25,349.64 and 5,217.10 is: 7,823.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,905.40 : 25,349.64 = 5,217.10 : x
  2. Step 2: Convert to fraction form
    16,905.40/25,349.64 = 5,217.10/x
  3. Step 3: Cross multiply
    16,905.40x = 25,349.64 × 5,217.10
  4. Step 4: Simplify right side
    16,905.40x = 132,251,606.84
  5. Step 5: Solve for x
    x = 132,251,606.84/16,905.40
  6. Step 6: Final answer
    x = 7,823.04

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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.