Home / 9,143.27-12,617.54-5,110.14

Finding the Fourth Proportional to 9,143.27, 12,617.54 and 5,110.14

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Solution

The fourth proportional to 9,143.27, 12,617.54 and 5,110.14 is: 7,051.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,143.27 : 12,617.54 = 5,110.14 : x
  2. Step 2: Convert to fraction form
    9,143.27/12,617.54 = 5,110.14/x
  3. Step 3: Cross multiply
    9,143.27x = 12,617.54 × 5,110.14
  4. Step 4: Simplify right side
    9,143.27x = 64,477,307.22
  5. Step 5: Solve for x
    x = 64,477,307.22/9,143.27
  6. Step 6: Final answer
    x = 7,051.89

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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.