Home / 21,507.74-32,261.54-5,714.35

Finding the Fourth Proportional to 21,507.74, 32,261.54 and 5,714.35

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Solution

The fourth proportional to 21,507.74, 32,261.54 and 5,714.35 is: 8,571.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,507.74 : 32,261.54 = 5,714.35 : x
  2. Step 2: Convert to fraction form
    21,507.74/32,261.54 = 5,714.35/x
  3. Step 3: Cross multiply
    21,507.74x = 32,261.54 × 5,714.35
  4. Step 4: Simplify right side
    21,507.74x = 184,353,731.10
  5. Step 5: Solve for x
    x = 184,353,731.10/21,507.74
  6. Step 6: Final answer
    x = 8,571.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.