Home / 10,039.04-15,081.64-7,084.28

Finding the Fourth Proportional to 10,039.04, 15,081.64 and 7,084.28

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Solution

The fourth proportional to 10,039.04, 15,081.64 and 7,084.28 is: 10,642.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,039.04 : 15,081.64 = 7,084.28 : x
  2. Step 2: Convert to fraction form
    10,039.04/15,081.64 = 7,084.28/x
  3. Step 3: Cross multiply
    10,039.04x = 15,081.64 × 7,084.28
  4. Step 4: Simplify right side
    10,039.04x = 106,842,525.20
  5. Step 5: Solve for x
    x = 106,842,525.20/10,039.04
  6. Step 6: Final answer
    x = 10,642.71

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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.