Home / 14,160.32-21,246.96-5,397.20

Finding the Fourth Proportional to 14,160.32, 21,246.96 and 5,397.20

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Solution

The fourth proportional to 14,160.32, 21,246.96 and 5,397.20 is: 8,098.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,160.32 : 21,246.96 = 5,397.20 : x
  2. Step 2: Convert to fraction form
    14,160.32/21,246.96 = 5,397.20/x
  3. Step 3: Cross multiply
    14,160.32x = 21,246.96 × 5,397.20
  4. Step 4: Simplify right side
    14,160.32x = 114,674,092.51
  5. Step 5: Solve for x
    x = 114,674,092.51/14,160.32
  6. Step 6: Final answer
    x = 8,098.27

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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.