Home / 15,320.36-21,141.29-8,606.27

Finding the Fourth Proportional to 15,320.36, 21,141.29 and 8,606.27

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Solution

The fourth proportional to 15,320.36, 21,141.29 and 8,606.27 is: 11,876.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,320.36 : 21,141.29 = 8,606.27 : x
  2. Step 2: Convert to fraction form
    15,320.36/21,141.29 = 8,606.27/x
  3. Step 3: Cross multiply
    15,320.36x = 21,141.29 × 8,606.27
  4. Step 4: Simplify right side
    15,320.36x = 181,947,606.86
  5. Step 5: Solve for x
    x = 181,947,606.86/15,320.36
  6. Step 6: Final answer
    x = 11,876.20

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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.