Home / 11,864.40-17,798.16-4,071.12

Finding the Fourth Proportional to 11,864.40, 17,798.16 and 4,071.12

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Solution

The fourth proportional to 11,864.40, 17,798.16 and 4,071.12 is: 6,107.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,864.40 : 17,798.16 = 4,071.12 : x
  2. Step 2: Convert to fraction form
    11,864.40/17,798.16 = 4,071.12/x
  3. Step 3: Cross multiply
    11,864.40x = 17,798.16 × 4,071.12
  4. Step 4: Simplify right side
    11,864.40x = 72,458,445.14
  5. Step 5: Solve for x
    x = 72,458,445.14/11,864.40
  6. Step 6: Final answer
    x = 6,107.22

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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.