Home / 12,816.04-19,224.06-6,975.40

Finding the Fourth Proportional to 12,816.04, 19,224.06 and 6,975.40

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Solution

The fourth proportional to 12,816.04, 19,224.06 and 6,975.40 is: 10,463.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,816.04 : 19,224.06 = 6,975.40 : x
  2. Step 2: Convert to fraction form
    12,816.04/19,224.06 = 6,975.40/x
  3. Step 3: Cross multiply
    12,816.04x = 19,224.06 × 6,975.40
  4. Step 4: Simplify right side
    12,816.04x = 134,095,508.12
  5. Step 5: Solve for x
    x = 134,095,508.12/12,816.04
  6. Step 6: Final answer
    x = 10,463.10

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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.