Home / 9,157.06-12,636.99-5,618.17

Finding the Fourth Proportional to 9,157.06, 12,636.99 and 5,618.17

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Solution

The fourth proportional to 9,157.06, 12,636.99 and 5,618.17 is: 7,753.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,157.06 : 12,636.99 = 5,618.17 : x
  2. Step 2: Convert to fraction form
    9,157.06/12,636.99 = 5,618.17/x
  3. Step 3: Cross multiply
    9,157.06x = 12,636.99 × 5,618.17
  4. Step 4: Simplify right side
    9,157.06x = 70,996,758.11
  5. Step 5: Solve for x
    x = 70,996,758.11/9,157.06
  6. Step 6: Final answer
    x = 7,753.23

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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.