Home / 14,445.96-19,934.46-8,395.66

Finding the Fourth Proportional to 14,445.96, 19,934.46 and 8,395.66

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Solution

The fourth proportional to 14,445.96, 19,934.46 and 8,395.66 is: 11,585.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,445.96 : 19,934.46 = 8,395.66 : x
  2. Step 2: Convert to fraction form
    14,445.96/19,934.46 = 8,395.66/x
  3. Step 3: Cross multiply
    14,445.96x = 19,934.46 × 8,395.66
  4. Step 4: Simplify right side
    14,445.96x = 167,362,948.44
  5. Step 5: Solve for x
    x = 167,362,948.44/14,445.96
  6. Step 6: Final answer
    x = 11,585.45

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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.