Home / 15,939.50-23,913.09-4,995.50

Finding the Fourth Proportional to 15,939.50, 23,913.09 and 4,995.50

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Solution

The fourth proportional to 15,939.50, 23,913.09 and 4,995.50 is: 7,494.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,939.50 : 23,913.09 = 4,995.50 : x
  2. Step 2: Convert to fraction form
    15,939.50/23,913.09 = 4,995.50/x
  3. Step 3: Cross multiply
    15,939.50x = 23,913.09 × 4,995.50
  4. Step 4: Simplify right side
    15,939.50x = 119,457,841.10
  5. Step 5: Solve for x
    x = 119,457,841.10/15,939.50
  6. Step 6: Final answer
    x = 7,494.45

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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.