Home / 14,962.07-20,647.55-8,247.71

Finding the Fourth Proportional to 14,962.07, 20,647.55 and 8,247.71

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Solution

The fourth proportional to 14,962.07, 20,647.55 and 8,247.71 is: 11,381.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,962.07 : 20,647.55 = 8,247.71 : x
  2. Step 2: Convert to fraction form
    14,962.07/20,647.55 = 8,247.71/x
  3. Step 3: Cross multiply
    14,962.07x = 20,647.55 × 8,247.71
  4. Step 4: Simplify right side
    14,962.07x = 170,294,963.37
  5. Step 5: Solve for x
    x = 170,294,963.37/14,962.07
  6. Step 6: Final answer
    x = 11,381.78

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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.