Home / 11,365.20-15,637.32-11,102.76

Finding the Fourth Proportional to 11,365.20, 15,637.32 and 11,102.76

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Solution

The fourth proportional to 11,365.20, 15,637.32 and 11,102.76 is: 15,276.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,365.20 : 15,637.32 = 11,102.76 : x
  2. Step 2: Convert to fraction form
    11,365.20/15,637.32 = 11,102.76/x
  3. Step 3: Cross multiply
    11,365.20x = 15,637.32 × 11,102.76
  4. Step 4: Simplify right side
    11,365.20x = 173,617,411.00
  5. Step 5: Solve for x
    x = 173,617,411.00/11,365.20
  6. Step 6: Final answer
    x = 15,276.23

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Double scale
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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.