Home / 15,748.70-23,606.40-5,216

Finding the Fourth Proportional to 15,748.70, 23,606.40 and 5,216

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Solution

The fourth proportional to 15,748.70, 23,606.40 and 5,216 is: 7,818.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,748.70 : 23,606.40 = 5,216 : x
  2. Step 2: Convert to fraction form
    15,748.70/23,606.40 = 5,216/x
  3. Step 3: Cross multiply
    15,748.70x = 23,606.40 × 5,216
  4. Step 4: Simplify right side
    15,748.70x = 123,130,982.40
  5. Step 5: Solve for x
    x = 123,130,982.40/15,748.70
  6. Step 6: Final answer
    x = 7,818.49

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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.