Home / 13,164.04-18,163.20-7,497.50

Finding the Fourth Proportional to 13,164.04, 18,163.20 and 7,497.50

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Solution

The fourth proportional to 13,164.04, 18,163.20 and 7,497.50 is: 10,344.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,164.04 : 18,163.20 = 7,497.50 : x
  2. Step 2: Convert to fraction form
    13,164.04/18,163.20 = 7,497.50/x
  3. Step 3: Cross multiply
    13,164.04x = 18,163.20 × 7,497.50
  4. Step 4: Simplify right side
    13,164.04x = 136,178,592
  5. Step 5: Solve for x
    x = 136,178,592/13,164.04
  6. Step 6: Final answer
    x = 10,344.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.