Home / 15,721.12-23,579.10-4,626.54

Finding the Fourth Proportional to 15,721.12, 23,579.10 and 4,626.54

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Solution

The fourth proportional to 15,721.12, 23,579.10 and 4,626.54 is: 6,939.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,721.12 : 23,579.10 = 4,626.54 : x
  2. Step 2: Convert to fraction form
    15,721.12/23,579.10 = 4,626.54/x
  3. Step 3: Cross multiply
    15,721.12x = 23,579.10 × 4,626.54
  4. Step 4: Simplify right side
    15,721.12x = 109,089,649.31
  5. Step 5: Solve for x
    x = 109,089,649.31/15,721.12
  6. Step 6: Final answer
    x = 6,939.05

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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.