Home / 11,639.40-17,452.48-7,946.08

Finding the Fourth Proportional to 11,639.40, 17,452.48 and 7,946.08

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Solution

The fourth proportional to 11,639.40, 17,452.48 and 7,946.08 is: 11,914.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,639.40 : 17,452.48 = 7,946.08 : x
  2. Step 2: Convert to fraction form
    11,639.40/17,452.48 = 7,946.08/x
  3. Step 3: Cross multiply
    11,639.40x = 17,452.48 × 7,946.08
  4. Step 4: Simplify right side
    11,639.40x = 138,678,802.28
  5. Step 5: Solve for x
    x = 138,678,802.28/11,639.40
  6. Step 6: Final answer
    x = 11,914.60

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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.