Home / 15,400.04-23,078.74-8,812.28

Finding the Fourth Proportional to 15,400.04, 23,078.74 and 8,812.28

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Solution

The fourth proportional to 15,400.04, 23,078.74 and 8,812.28 is: 13,206.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,400.04 : 23,078.74 = 8,812.28 : x
  2. Step 2: Convert to fraction form
    15,400.04/23,078.74 = 8,812.28/x
  3. Step 3: Cross multiply
    15,400.04x = 23,078.74 × 8,812.28
  4. Step 4: Simplify right side
    15,400.04x = 203,376,318.93
  5. Step 5: Solve for x
    x = 203,376,318.93/15,400.04
  6. Step 6: Final answer
    x = 13,206.22

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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.