Home / 14,939.69-22,399.04-6,615.20

Finding the Fourth Proportional to 14,939.69, 22,399.04 and 6,615.20

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Solution

The fourth proportional to 14,939.69, 22,399.04 and 6,615.20 is: 9,918.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,939.69 : 22,399.04 = 6,615.20 : x
  2. Step 2: Convert to fraction form
    14,939.69/22,399.04 = 6,615.20/x
  3. Step 3: Cross multiply
    14,939.69x = 22,399.04 × 6,615.20
  4. Step 4: Simplify right side
    14,939.69x = 148,174,201.94
  5. Step 5: Solve for x
    x = 148,174,201.94/14,939.69
  6. Step 6: Final answer
    x = 9,918.16

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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.