Home / 14,822.70-20,452.26-8,447.93

Finding the Fourth Proportional to 14,822.70, 20,452.26 and 8,447.93

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Solution

The fourth proportional to 14,822.70, 20,452.26 and 8,447.93 is: 11,656.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,822.70 : 20,452.26 = 8,447.93 : x
  2. Step 2: Convert to fraction form
    14,822.70/20,452.26 = 8,447.93/x
  3. Step 3: Cross multiply
    14,822.70x = 20,452.26 × 8,447.93
  4. Step 4: Simplify right side
    14,822.70x = 172,779,260.82
  5. Step 5: Solve for x
    x = 172,779,260.82/14,822.70
  6. Step 6: Final answer
    x = 11,656.40

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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.