Home / 13,382.35-20,036.57-10,085.45

Finding the Fourth Proportional to 13,382.35, 20,036.57 and 10,085.45

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Solution

The fourth proportional to 13,382.35, 20,036.57 and 10,085.45 is: 15,100.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,382.35 : 20,036.57 = 10,085.45 : x
  2. Step 2: Convert to fraction form
    13,382.35/20,036.57 = 10,085.45/x
  3. Step 3: Cross multiply
    13,382.35x = 20,036.57 × 10,085.45
  4. Step 4: Simplify right side
    13,382.35x = 202,077,674.30
  5. Step 5: Solve for x
    x = 202,077,674.30/13,382.35
  6. Step 6: Final answer
    x = 15,100.32

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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.