Home / 15,669.19-21,623.48-8,595.63

Finding the Fourth Proportional to 15,669.19, 21,623.48 and 8,595.63

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Solution

The fourth proportional to 15,669.19, 21,623.48 and 8,595.63 is: 11,861.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,669.19 : 21,623.48 = 8,595.63 : x
  2. Step 2: Convert to fraction form
    15,669.19/21,623.48 = 8,595.63/x
  3. Step 3: Cross multiply
    15,669.19x = 21,623.48 × 8,595.63
  4. Step 4: Simplify right side
    15,669.19x = 185,867,325.28
  5. Step 5: Solve for x
    x = 185,867,325.28/15,669.19
  6. Step 6: Final answer
    x = 11,861.96

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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.