Home / 11,224.29-15,485.76-7,248.09

Finding the Fourth Proportional to 11,224.29, 15,485.76 and 7,248.09

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Solution

The fourth proportional to 11,224.29, 15,485.76 and 7,248.09 is: 9,999.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,224.29 : 15,485.76 = 7,248.09 : x
  2. Step 2: Convert to fraction form
    11,224.29/15,485.76 = 7,248.09/x
  3. Step 3: Cross multiply
    11,224.29x = 15,485.76 × 7,248.09
  4. Step 4: Simplify right side
    11,224.29x = 112,242,182.20
  5. Step 5: Solve for x
    x = 112,242,182.20/11,224.29
  6. Step 6: Final answer
    x = 9,999.94

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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.