Home / 10,039.04-13,853.51-5,790.28

Finding the Fourth Proportional to 10,039.04, 13,853.51 and 5,790.28

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Solution

The fourth proportional to 10,039.04, 13,853.51 and 5,790.28 is: 7,990.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,039.04 : 13,853.51 = 5,790.28 : x
  2. Step 2: Convert to fraction form
    10,039.04/13,853.51 = 5,790.28/x
  3. Step 3: Cross multiply
    10,039.04x = 13,853.51 × 5,790.28
  4. Step 4: Simplify right side
    10,039.04x = 80,215,638.30
  5. Step 5: Solve for x
    x = 80,215,638.30/10,039.04
  6. Step 6: Final answer
    x = 7,990.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.