Home / 15,622.76-21,559.34-8,549.16

Finding the Fourth Proportional to 15,622.76, 21,559.34 and 8,549.16

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Solution

The fourth proportional to 15,622.76, 21,559.34 and 8,549.16 is: 11,797.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,622.76 : 21,559.34 = 8,549.16 : x
  2. Step 2: Convert to fraction form
    15,622.76/21,559.34 = 8,549.16/x
  3. Step 3: Cross multiply
    15,622.76x = 21,559.34 × 8,549.16
  4. Step 4: Simplify right side
    15,622.76x = 184,314,247.15
  5. Step 5: Solve for x
    x = 184,314,247.15/15,622.76
  6. Step 6: Final answer
    x = 11,797.80

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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.