Home / 15,395.69-23,072.63-8,729.03

Finding the Fourth Proportional to 15,395.69, 23,072.63 and 8,729.03

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Solution

The fourth proportional to 15,395.69, 23,072.63 and 8,729.03 is: 13,081.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,395.69 : 23,072.63 = 8,729.03 : x
  2. Step 2: Convert to fraction form
    15,395.69/23,072.63 = 8,729.03/x
  3. Step 3: Cross multiply
    15,395.69x = 23,072.63 × 8,729.03
  4. Step 4: Simplify right side
    15,395.69x = 201,401,693.49
  5. Step 5: Solve for x
    x = 201,401,693.49/15,395.69
  6. Step 6: Final answer
    x = 13,081.70

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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.