Home / 15,531.37-23,300.55-5,670.68

Finding the Fourth Proportional to 15,531.37, 23,300.55 and 5,670.68

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Solution

The fourth proportional to 15,531.37, 23,300.55 and 5,670.68 is: 8,507.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,531.37 : 23,300.55 = 5,670.68 : x
  2. Step 2: Convert to fraction form
    15,531.37/23,300.55 = 5,670.68/x
  3. Step 3: Cross multiply
    15,531.37x = 23,300.55 × 5,670.68
  4. Step 4: Simplify right side
    15,531.37x = 132,129,846.37
  5. Step 5: Solve for x
    x = 132,129,846.37/15,531.37
  6. Step 6: Final answer
    x = 8,507.29

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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.