Home / 13,237.27-18,264-7,928.32

Finding the Fourth Proportional to 13,237.27, 18,264 and 7,928.32

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Solution

The fourth proportional to 13,237.27, 18,264 and 7,928.32 is: 10,939.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,237.27 : 18,264 = 7,928.32 : x
  2. Step 2: Convert to fraction form
    13,237.27/18,264 = 7,928.32/x
  3. Step 3: Cross multiply
    13,237.27x = 18,264 × 7,928.32
  4. Step 4: Simplify right side
    13,237.27x = 144,802,836.48
  5. Step 5: Solve for x
    x = 144,802,836.48/13,237.27
  6. Step 6: Final answer
    x = 10,939.03

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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.