Home / 14,102.04-21,153.06-7,181.40

Finding the Fourth Proportional to 14,102.04, 21,153.06 and 7,181.40

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Solution

The fourth proportional to 14,102.04, 21,153.06 and 7,181.40 is: 10,772.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,102.04 : 21,153.06 = 7,181.40 : x
  2. Step 2: Convert to fraction form
    14,102.04/21,153.06 = 7,181.40/x
  3. Step 3: Cross multiply
    14,102.04x = 21,153.06 × 7,181.40
  4. Step 4: Simplify right side
    14,102.04x = 151,908,585.08
  5. Step 5: Solve for x
    x = 151,908,585.08/14,102.04
  6. Step 6: Final answer
    x = 10,772.10

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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.