Home / 14,640.79-20,202.11-8,895.26

Finding the Fourth Proportional to 14,640.79, 20,202.11 and 8,895.26

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Solution

The fourth proportional to 14,640.79, 20,202.11 and 8,895.26 is: 12,274.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,640.79 : 20,202.11 = 8,895.26 : x
  2. Step 2: Convert to fraction form
    14,640.79/20,202.11 = 8,895.26/x
  3. Step 3: Cross multiply
    14,640.79x = 20,202.11 × 8,895.26
  4. Step 4: Simplify right side
    14,640.79x = 179,702,875.51
  5. Step 5: Solve for x
    x = 179,702,875.51/14,640.79
  6. Step 6: Final answer
    x = 12,274.13

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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.