Home / 10,324.48-15,477.76-5,127.68

Finding the Fourth Proportional to 10,324.48, 15,477.76 and 5,127.68

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Solution

The fourth proportional to 10,324.48, 15,477.76 and 5,127.68 is: 7,687.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,324.48 : 15,477.76 = 5,127.68 : x
  2. Step 2: Convert to fraction form
    10,324.48/15,477.76 = 5,127.68/x
  3. Step 3: Cross multiply
    10,324.48x = 15,477.76 × 5,127.68
  4. Step 4: Simplify right side
    10,324.48x = 79,365,000.40
  5. Step 5: Solve for x
    x = 79,365,000.40/10,324.48
  6. Step 6: Final answer
    x = 7,687.07

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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.