Home / 19,321.84-26,665.13-10,823.45

Finding the Fourth Proportional to 19,321.84, 26,665.13 and 10,823.45

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Solution

The fourth proportional to 19,321.84, 26,665.13 and 10,823.45 is: 14,936.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,321.84 : 26,665.13 = 10,823.45 : x
  2. Step 2: Convert to fraction form
    19,321.84/26,665.13 = 10,823.45/x
  3. Step 3: Cross multiply
    19,321.84x = 26,665.13 × 10,823.45
  4. Step 4: Simplify right side
    19,321.84x = 288,608,701.30
  5. Step 5: Solve for x
    x = 288,608,701.30/19,321.84
  6. Step 6: Final answer
    x = 14,936.92

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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.