Home / 15,623.32-21,560.07-8,549.59

Finding the Fourth Proportional to 15,623.32, 21,560.07 and 8,549.59

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Solution

The fourth proportional to 15,623.32, 21,560.07 and 8,549.59 is: 11,798.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,623.32 : 21,560.07 = 8,549.59 : x
  2. Step 2: Convert to fraction form
    15,623.32/21,560.07 = 8,549.59/x
  3. Step 3: Cross multiply
    15,623.32x = 21,560.07 × 8,549.59
  4. Step 4: Simplify right side
    15,623.32x = 184,329,758.87
  5. Step 5: Solve for x
    x = 184,329,758.87/15,623.32
  6. Step 6: Final answer
    x = 11,798.37

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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.