Home / 21,626.12-32,439.18-9,314.12

Finding the Fourth Proportional to 21,626.12, 32,439.18 and 9,314.12

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Solution

The fourth proportional to 21,626.12, 32,439.18 and 9,314.12 is: 13,971.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,626.12 : 32,439.18 = 9,314.12 : x
  2. Step 2: Convert to fraction form
    21,626.12/32,439.18 = 9,314.12/x
  3. Step 3: Cross multiply
    21,626.12x = 32,439.18 × 9,314.12
  4. Step 4: Simplify right side
    21,626.12x = 302,142,415.22
  5. Step 5: Solve for x
    x = 302,142,415.22/21,626.12
  6. Step 6: Final answer
    x = 13,971.18

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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.