Home / 15,292.36-22,940.82-5,430.80

Finding the Fourth Proportional to 15,292.36, 22,940.82 and 5,430.80

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Solution

The fourth proportional to 15,292.36, 22,940.82 and 5,430.80 is: 8,147.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,292.36 : 22,940.82 = 5,430.80 : x
  2. Step 2: Convert to fraction form
    15,292.36/22,940.82 = 5,430.80/x
  3. Step 3: Cross multiply
    15,292.36x = 22,940.82 × 5,430.80
  4. Step 4: Simplify right side
    15,292.36x = 124,587,005.26
  5. Step 5: Solve for x
    x = 124,587,005.26/15,292.36
  6. Step 6: Final answer
    x = 8,147.01

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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.