Home / 18,816.04-28,242.32-10,057.12

Finding the Fourth Proportional to 18,816.04, 28,242.32 and 10,057.12

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Solution

The fourth proportional to 18,816.04, 28,242.32 and 10,057.12 is: 15,095.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,816.04 : 28,242.32 = 10,057.12 : x
  2. Step 2: Convert to fraction form
    18,816.04/28,242.32 = 10,057.12/x
  3. Step 3: Cross multiply
    18,816.04x = 28,242.32 × 10,057.12
  4. Step 4: Simplify right side
    18,816.04x = 284,036,401.32
  5. Step 5: Solve for x
    x = 284,036,401.32/18,816.04
  6. Step 6: Final answer
    x = 15,095.44

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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.