Home / 14,968.33-20,656.44-8,254.19

Finding the Fourth Proportional to 14,968.33, 20,656.44 and 8,254.19

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Solution

The fourth proportional to 14,968.33, 20,656.44 and 8,254.19 is: 11,390.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,968.33 : 20,656.44 = 8,254.19 : x
  2. Step 2: Convert to fraction form
    14,968.33/20,656.44 = 8,254.19/x
  3. Step 3: Cross multiply
    14,968.33x = 20,656.44 × 8,254.19
  4. Step 4: Simplify right side
    14,968.33x = 170,502,139.21
  5. Step 5: Solve for x
    x = 170,502,139.21/14,968.33
  6. Step 6: Final answer
    x = 11,390.86

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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.