Home / 7,015.74-10,523.61-1,821.57

Finding the Fourth Proportional to 7,015.74, 10,523.61 and 1,821.57

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Solution

The fourth proportional to 7,015.74, 10,523.61 and 1,821.57 is: 2,732.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,015.74 : 10,523.61 = 1,821.57 : x
  2. Step 2: Convert to fraction form
    7,015.74/10,523.61 = 1,821.57/x
  3. Step 3: Cross multiply
    7,015.74x = 10,523.61 × 1,821.57
  4. Step 4: Simplify right side
    7,015.74x = 19,169,492.27
  5. Step 5: Solve for x
    x = 19,169,492.27/7,015.74
  6. Step 6: Final answer
    x = 2,732.36

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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.