Home / 13,277.78-18,323.55-7,310.06

Finding the Fourth Proportional to 13,277.78, 18,323.55 and 7,310.06

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Solution

The fourth proportional to 13,277.78, 18,323.55 and 7,310.06 is: 10,088.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,277.78 : 18,323.55 = 7,310.06 : x
  2. Step 2: Convert to fraction form
    13,277.78/18,323.55 = 7,310.06/x
  3. Step 3: Cross multiply
    13,277.78x = 18,323.55 × 7,310.06
  4. Step 4: Simplify right side
    13,277.78x = 133,946,249.91
  5. Step 5: Solve for x
    x = 133,946,249.91/13,277.78
  6. Step 6: Final answer
    x = 10,088.00

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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.