Home / 9,821.95-13,538.55-6,634.24

Finding the Fourth Proportional to 9,821.95, 13,538.55 and 6,634.24

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Solution

The fourth proportional to 9,821.95, 13,538.55 and 6,634.24 is: 9,144.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,821.95 : 13,538.55 = 6,634.24 : x
  2. Step 2: Convert to fraction form
    9,821.95/13,538.55 = 6,634.24/x
  3. Step 3: Cross multiply
    9,821.95x = 13,538.55 × 6,634.24
  4. Step 4: Simplify right side
    9,821.95x = 89,817,956.78
  5. Step 5: Solve for x
    x = 89,817,956.78/9,821.95
  6. Step 6: Final answer
    x = 9,144.62

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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.