Home / 21,343.04-32,014.56-8,188.23

Finding the Fourth Proportional to 21,343.04, 32,014.56 and 8,188.23

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Solution

The fourth proportional to 21,343.04, 32,014.56 and 8,188.23 is: 12,282.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,343.04 : 32,014.56 = 8,188.23 : x
  2. Step 2: Convert to fraction form
    21,343.04/32,014.56 = 8,188.23/x
  3. Step 3: Cross multiply
    21,343.04x = 32,014.56 × 8,188.23
  4. Step 4: Simplify right side
    21,343.04x = 262,142,580.63
  5. Step 5: Solve for x
    x = 262,142,580.63/21,343.04
  6. Step 6: Final answer
    x = 12,282.35

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Double scale
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Similar ratio
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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.