Home / 15,802.72-21,794.56-11,833.28

Finding the Fourth Proportional to 15,802.72, 21,794.56 and 11,833.28

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Solution

The fourth proportional to 15,802.72, 21,794.56 and 11,833.28 is: 16,320.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,802.72 : 21,794.56 = 11,833.28 : x
  2. Step 2: Convert to fraction form
    15,802.72/21,794.56 = 11,833.28/x
  3. Step 3: Cross multiply
    15,802.72x = 21,794.56 × 11,833.28
  4. Step 4: Simplify right side
    15,802.72x = 257,901,130.96
  5. Step 5: Solve for x
    x = 257,901,130.96/15,802.72
  6. Step 6: Final answer
    x = 16,320.05

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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.