Home / 14,962.21-20,648.29-8,248.27

Finding the Fourth Proportional to 14,962.21, 20,648.29 and 8,248.27

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Solution

The fourth proportional to 14,962.21, 20,648.29 and 8,248.27 is: 11,382.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,962.21 : 20,648.29 = 8,248.27 : x
  2. Step 2: Convert to fraction form
    14,962.21/20,648.29 = 8,248.27/x
  3. Step 3: Cross multiply
    14,962.21x = 20,648.29 × 8,248.27
  4. Step 4: Simplify right side
    14,962.21x = 170,312,670.96
  5. Step 5: Solve for x
    x = 170,312,670.96/14,962.21
  6. Step 6: Final answer
    x = 11,382.86

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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.