Home / 15,138.06-22,707.89-4,607.28

Finding the Fourth Proportional to 15,138.06, 22,707.89 and 4,607.28

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Solution

The fourth proportional to 15,138.06, 22,707.89 and 4,607.28 is: 6,911.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,138.06 : 22,707.89 = 4,607.28 : x
  2. Step 2: Convert to fraction form
    15,138.06/22,707.89 = 4,607.28/x
  3. Step 3: Cross multiply
    15,138.06x = 22,707.89 × 4,607.28
  4. Step 4: Simplify right side
    15,138.06x = 104,621,627.60
  5. Step 5: Solve for x
    x = 104,621,627.60/15,138.06
  6. Step 6: Final answer
    x = 6,911.16

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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.