Home / 14,642.67-21,963.60-4,779.30

Finding the Fourth Proportional to 14,642.67, 21,963.60 and 4,779.30

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Solution

The fourth proportional to 14,642.67, 21,963.60 and 4,779.30 is: 7,168.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,642.67 : 21,963.60 = 4,779.30 : x
  2. Step 2: Convert to fraction form
    14,642.67/21,963.60 = 4,779.30/x
  3. Step 3: Cross multiply
    14,642.67x = 21,963.60 × 4,779.30
  4. Step 4: Simplify right side
    14,642.67x = 104,970,633.48
  5. Step 5: Solve for x
    x = 104,970,633.48/14,642.67
  6. Step 6: Final answer
    x = 7,168.82

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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.