Home / 15,622.64-21,559.30-8,549.52

Finding the Fourth Proportional to 15,622.64, 21,559.30 and 8,549.52

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Solution

The fourth proportional to 15,622.64, 21,559.30 and 8,549.52 is: 11,798.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,622.64 : 21,559.30 = 8,549.52 : x
  2. Step 2: Convert to fraction form
    15,622.64/21,559.30 = 8,549.52/x
  3. Step 3: Cross multiply
    15,622.64x = 21,559.30 × 8,549.52
  4. Step 4: Simplify right side
    15,622.64x = 184,321,666.54
  5. Step 5: Solve for x
    x = 184,321,666.54/15,622.64
  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.