Home / 15,102.48-22,660.20-5,243.16

Finding the Fourth Proportional to 15,102.48, 22,660.20 and 5,243.16

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Solution

The fourth proportional to 15,102.48, 22,660.20 and 5,243.16 is: 7,866.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,102.48 : 22,660.20 = 5,243.16 : x
  2. Step 2: Convert to fraction form
    15,102.48/22,660.20 = 5,243.16/x
  3. Step 3: Cross multiply
    15,102.48x = 22,660.20 × 5,243.16
  4. Step 4: Simplify right side
    15,102.48x = 118,811,054.23
  5. Step 5: Solve for x
    x = 118,811,054.23/15,102.48
  6. Step 6: Final answer
    x = 7,866.99

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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.