Home / 13,253.04-18,289.20-7,951.02

Finding the Fourth Proportional to 13,253.04, 18,289.20 and 7,951.02

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Solution

The fourth proportional to 13,253.04, 18,289.20 and 7,951.02 is: 10,972.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,253.04 : 18,289.20 = 7,951.02 : x
  2. Step 2: Convert to fraction form
    13,253.04/18,289.20 = 7,951.02/x
  3. Step 3: Cross multiply
    13,253.04x = 18,289.20 × 7,951.02
  4. Step 4: Simplify right side
    13,253.04x = 145,417,794.98
  5. Step 5: Solve for x
    x = 145,417,794.98/13,253.04
  6. Step 6: Final answer
    x = 10,972.41

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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.