Home / 15,367.77-21,206.07-8,652.33

Finding the Fourth Proportional to 15,367.77, 21,206.07 and 8,652.33

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Solution

The fourth proportional to 15,367.77, 21,206.07 and 8,652.33 is: 11,939.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,367.77 : 21,206.07 = 8,652.33 : x
  2. Step 2: Convert to fraction form
    15,367.77/21,206.07 = 8,652.33/x
  3. Step 3: Cross multiply
    15,367.77x = 21,206.07 × 8,652.33
  4. Step 4: Simplify right side
    15,367.77x = 183,481,915.64
  5. Step 5: Solve for x
    x = 183,481,915.64/15,367.77
  6. Step 6: Final answer
    x = 11,939.40

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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.