Home / 15,664.76-23,497.09-3,818.40

Finding the Fourth Proportional to 15,664.76, 23,497.09 and 3,818.40

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Solution

The fourth proportional to 15,664.76, 23,497.09 and 3,818.40 is: 5,727.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,664.76 : 23,497.09 = 3,818.40 : x
  2. Step 2: Convert to fraction form
    15,664.76/23,497.09 = 3,818.40/x
  3. Step 3: Cross multiply
    15,664.76x = 23,497.09 × 3,818.40
  4. Step 4: Simplify right side
    15,664.76x = 89,721,278.91
  5. Step 5: Solve for x
    x = 89,721,278.91/15,664.76
  6. Step 6: Final answer
    x = 5,727.59

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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.