Home / 15,423.32-23,127.75-5,561.30

Finding the Fourth Proportional to 15,423.32, 23,127.75 and 5,561.30

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Solution

The fourth proportional to 15,423.32, 23,127.75 and 5,561.30 is: 8,339.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,423.32 : 23,127.75 = 5,561.30 : x
  2. Step 2: Convert to fraction form
    15,423.32/23,127.75 = 5,561.30/x
  3. Step 3: Cross multiply
    15,423.32x = 23,127.75 × 5,561.30
  4. Step 4: Simplify right side
    15,423.32x = 128,620,240.44
  5. Step 5: Solve for x
    x = 128,620,240.44/15,423.32
  6. Step 6: Final answer
    x = 8,339.34

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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.