Home / 14,999.36-22,499.65-5,139.64

Finding the Fourth Proportional to 14,999.36, 22,499.65 and 5,139.64

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Solution

The fourth proportional to 14,999.36, 22,499.65 and 5,139.64 is: 7,709.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,999.36 : 22,499.65 = 5,139.64 : x
  2. Step 2: Convert to fraction form
    14,999.36/22,499.65 = 5,139.64/x
  3. Step 3: Cross multiply
    14,999.36x = 22,499.65 × 5,139.64
  4. Step 4: Simplify right side
    14,999.36x = 115,639,962.93
  5. Step 5: Solve for x
    x = 115,639,962.93/14,999.36
  6. Step 6: Final answer
    x = 7,709.66

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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.