Home / 13,053.27-18,013.53-7,084.94

Finding the Fourth Proportional to 13,053.27, 18,013.53 and 7,084.94

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Solution

The fourth proportional to 13,053.27, 18,013.53 and 7,084.94 is: 9,777.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,053.27 : 18,013.53 = 7,084.94 : x
  2. Step 2: Convert to fraction form
    13,053.27/18,013.53 = 7,084.94/x
  3. Step 3: Cross multiply
    13,053.27x = 18,013.53 × 7,084.94
  4. Step 4: Simplify right side
    13,053.27x = 127,624,716.49
  5. Step 5: Solve for x
    x = 127,624,716.49/13,053.27
  6. Step 6: Final answer
    x = 9,777.22

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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.