Home / 18,640.48-27,962.16-7,541.92

Finding the Fourth Proportional to 18,640.48, 27,962.16 and 7,541.92

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Solution

The fourth proportional to 18,640.48, 27,962.16 and 7,541.92 is: 11,313.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,640.48 : 27,962.16 = 7,541.92 : x
  2. Step 2: Convert to fraction form
    18,640.48/27,962.16 = 7,541.92/x
  3. Step 3: Cross multiply
    18,640.48x = 27,962.16 × 7,541.92
  4. Step 4: Simplify right side
    18,640.48x = 210,888,373.75
  5. Step 5: Solve for x
    x = 210,888,373.75/18,640.48
  6. Step 6: Final answer
    x = 11,313.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.