Home / 15,418.97-23,130.64-4,746.21

Finding the Fourth Proportional to 15,418.97, 23,130.64 and 4,746.21

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Solution

The fourth proportional to 15,418.97, 23,130.64 and 4,746.21 is: 7,119.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,418.97 : 23,130.64 = 4,746.21 : x
  2. Step 2: Convert to fraction form
    15,418.97/23,130.64 = 4,746.21/x
  3. Step 3: Cross multiply
    15,418.97x = 23,130.64 × 4,746.21
  4. Step 4: Simplify right side
    15,418.97x = 109,782,805.18
  5. Step 5: Solve for x
    x = 109,782,805.18/15,418.97
  6. Step 6: Final answer
    x = 7,119.98

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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.