Home / 10,642.61-15,963.33-3,246.45

Finding the Fourth Proportional to 10,642.61, 15,963.33 and 3,246.45

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Solution

The fourth proportional to 10,642.61, 15,963.33 and 3,246.45 is: 4,869.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,642.61 : 15,963.33 = 3,246.45 : x
  2. Step 2: Convert to fraction form
    10,642.61/15,963.33 = 3,246.45/x
  3. Step 3: Cross multiply
    10,642.61x = 15,963.33 × 3,246.45
  4. Step 4: Simplify right side
    10,642.61x = 51,824,152.68
  5. Step 5: Solve for x
    x = 51,824,152.68/10,642.61
  6. Step 6: Final answer
    x = 4,869.50

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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.