Home / 15,430.45-23,138.79-4,897.48

Finding the Fourth Proportional to 15,430.45, 23,138.79 and 4,897.48

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Solution

The fourth proportional to 15,430.45, 23,138.79 and 4,897.48 is: 7,344.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,430.45 : 23,138.79 = 4,897.48 : x
  2. Step 2: Convert to fraction form
    15,430.45/23,138.79 = 4,897.48/x
  3. Step 3: Cross multiply
    15,430.45x = 23,138.79 × 4,897.48
  4. Step 4: Simplify right side
    15,430.45x = 113,321,761.25
  5. Step 5: Solve for x
    x = 113,321,761.25/15,430.45
  6. Step 6: Final answer
    x = 7,344.03

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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.