Home / 15,431.23-23,142.05-5,569.22

Finding the Fourth Proportional to 15,431.23, 23,142.05 and 5,569.22

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Solution

The fourth proportional to 15,431.23, 23,142.05 and 5,569.22 is: 8,352.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,431.23 : 23,142.05 = 5,569.22 : x
  2. Step 2: Convert to fraction form
    15,431.23/23,142.05 = 5,569.22/x
  3. Step 3: Cross multiply
    15,431.23x = 23,142.05 × 5,569.22
  4. Step 4: Simplify right side
    15,431.23x = 128,883,239.48
  5. Step 5: Solve for x
    x = 128,883,239.48/15,431.23
  6. Step 6: Final answer
    x = 8,352.11

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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.