Home / 15,632.46-21,572.84-8,559.34

Finding the Fourth Proportional to 15,632.46, 21,572.84 and 8,559.34

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Solution

The fourth proportional to 15,632.46, 21,572.84 and 8,559.34 is: 11,811.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,632.46 : 21,572.84 = 8,559.34 : x
  2. Step 2: Convert to fraction form
    15,632.46/21,572.84 = 8,559.34/x
  3. Step 3: Cross multiply
    15,632.46x = 21,572.84 × 8,559.34
  4. Step 4: Simplify right side
    15,632.46x = 184,649,239.79
  5. Step 5: Solve for x
    x = 184,649,239.79/15,632.46
  6. Step 6: Final answer
    x = 11,811.91

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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.