Home / 14,320.96-19,760.32-8,654.20

Finding the Fourth Proportional to 14,320.96, 19,760.32 and 8,654.20

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Solution

The fourth proportional to 14,320.96, 19,760.32 and 8,654.20 is: 11,941.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,320.96 : 19,760.32 = 8,654.20 : x
  2. Step 2: Convert to fraction form
    14,320.96/19,760.32 = 8,654.20/x
  3. Step 3: Cross multiply
    14,320.96x = 19,760.32 × 8,654.20
  4. Step 4: Simplify right side
    14,320.96x = 171,009,761.34
  5. Step 5: Solve for x
    x = 171,009,761.34/14,320.96
  6. Step 6: Final answer
    x = 11,941.22

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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.