Home / 15,366.37-21,205.79-8,652.01

Finding the Fourth Proportional to 15,366.37, 21,205.79 and 8,652.01

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Solution

The fourth proportional to 15,366.37, 21,205.79 and 8,652.01 is: 11,939.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,366.37 : 21,205.79 = 8,652.01 : x
  2. Step 2: Convert to fraction form
    15,366.37/21,205.79 = 8,652.01/x
  3. Step 3: Cross multiply
    15,366.37x = 21,205.79 × 8,652.01
  4. Step 4: Simplify right side
    15,366.37x = 183,472,707.14
  5. Step 5: Solve for x
    x = 183,472,707.14/15,366.37
  6. Step 6: Final answer
    x = 11,939.89

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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.