Home / 15,669.30-21,623.52-8,595.67

Finding the Fourth Proportional to 15,669.30, 21,623.52 and 8,595.67

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Solution

The fourth proportional to 15,669.30, 21,623.52 and 8,595.67 is: 11,861.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,669.30 : 21,623.52 = 8,595.67 : x
  2. Step 2: Convert to fraction form
    15,669.30/21,623.52 = 8,595.67/x
  3. Step 3: Cross multiply
    15,669.30x = 21,623.52 × 8,595.67
  4. Step 4: Simplify right side
    15,669.30x = 185,868,642.16
  5. Step 5: Solve for x
    x = 185,868,642.16/15,669.30
  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.