Home / 13,253.03-18,288.95-7,284.70

Finding the Fourth Proportional to 13,253.03, 18,288.95 and 7,284.70

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Solution

The fourth proportional to 13,253.03, 18,288.95 and 7,284.70 is: 10,052.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,253.03 : 18,288.95 = 7,284.70 : x
  2. Step 2: Convert to fraction form
    13,253.03/18,288.95 = 7,284.70/x
  3. Step 3: Cross multiply
    13,253.03x = 18,288.95 × 7,284.70
  4. Step 4: Simplify right side
    13,253.03x = 133,229,477.64
  5. Step 5: Solve for x
    x = 133,229,477.64/13,253.03
  6. Step 6: Final answer
    x = 10,052.76

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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.