Home / 13,277.28-18,323.68-7,310.08

Finding the Fourth Proportional to 13,277.28, 18,323.68 and 7,310.08

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Solution

The fourth proportional to 13,277.28, 18,323.68 and 7,310.08 is: 10,088.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,277.28 : 18,323.68 = 7,310.08 : x
  2. Step 2: Convert to fraction form
    13,277.28/18,323.68 = 7,310.08/x
  3. Step 3: Cross multiply
    13,277.28x = 18,323.68 × 7,310.08
  4. Step 4: Simplify right side
    13,277.28x = 133,947,566.69
  5. Step 5: Solve for x
    x = 133,947,566.69/13,277.28
  6. Step 6: Final answer
    x = 10,088.48

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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.