Home / 15,606.88-23,405.43-5,216.20

Finding the Fourth Proportional to 15,606.88, 23,405.43 and 5,216.20

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Solution

The fourth proportional to 15,606.88, 23,405.43 and 5,216.20 is: 7,822.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,606.88 : 23,405.43 = 5,216.20 : x
  2. Step 2: Convert to fraction form
    15,606.88/23,405.43 = 5,216.20/x
  3. Step 3: Cross multiply
    15,606.88x = 23,405.43 × 5,216.20
  4. Step 4: Simplify right side
    15,606.88x = 122,087,403.97
  5. Step 5: Solve for x
    x = 122,087,403.97/15,606.88
  6. Step 6: Final answer
    x = 7,822.67

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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.