Home / 19,778.75-27,294.68-10,946.75

Finding the Fourth Proportional to 19,778.75, 27,294.68 and 10,946.75

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Solution

The fourth proportional to 19,778.75, 27,294.68 and 10,946.75 is: 15,106.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,778.75 : 27,294.68 = 10,946.75 : x
  2. Step 2: Convert to fraction form
    19,778.75/27,294.68 = 10,946.75/x
  3. Step 3: Cross multiply
    19,778.75x = 27,294.68 × 10,946.75
  4. Step 4: Simplify right side
    19,778.75x = 298,788,038.29
  5. Step 5: Solve for x
    x = 298,788,038.29/19,778.75
  6. Step 6: Final answer
    x = 15,106.52

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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.