Home / 15,749.18-23,627.40-5,218.76

Finding the Fourth Proportional to 15,749.18, 23,627.40 and 5,218.76

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Solution

The fourth proportional to 15,749.18, 23,627.40 and 5,218.76 is: 7,829.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,749.18 : 23,627.40 = 5,218.76 : x
  2. Step 2: Convert to fraction form
    15,749.18/23,627.40 = 5,218.76/x
  3. Step 3: Cross multiply
    15,749.18x = 23,627.40 × 5,218.76
  4. Step 4: Simplify right side
    15,749.18x = 123,305,730.02
  5. Step 5: Solve for x
    x = 123,305,730.02/15,749.18
  6. Step 6: Final answer
    x = 7,829.34

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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.