Home / 14,612.55-20,165.32-7,898.15

Finding the Fourth Proportional to 14,612.55, 20,165.32 and 7,898.15

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Solution

The fourth proportional to 14,612.55, 20,165.32 and 7,898.15 is: 10,899.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,612.55 : 20,165.32 = 7,898.15 : x
  2. Step 2: Convert to fraction form
    14,612.55/20,165.32 = 7,898.15/x
  3. Step 3: Cross multiply
    14,612.55x = 20,165.32 × 7,898.15
  4. Step 4: Simplify right side
    14,612.55x = 159,268,717.75
  5. Step 5: Solve for x
    x = 159,268,717.75/14,612.55
  6. Step 6: Final answer
    x = 10,899.45

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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.