Home / 15,573.72-23,363.88-5,186.28

Finding the Fourth Proportional to 15,573.72, 23,363.88 and 5,186.28

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Solution

The fourth proportional to 15,573.72, 23,363.88 and 5,186.28 is: 7,780.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,573.72 : 23,363.88 = 5,186.28 : x
  2. Step 2: Convert to fraction form
    15,573.72/23,363.88 = 5,186.28/x
  3. Step 3: Cross multiply
    15,573.72x = 23,363.88 × 5,186.28
  4. Step 4: Simplify right side
    15,573.72x = 121,171,623.57
  5. Step 5: Solve for x
    x = 121,171,623.57/15,573.72
  6. Step 6: Final answer
    x = 7,780.52

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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.