Home / 13,941.60-19,242.84-8,633.28

Finding the Fourth Proportional to 13,941.60, 19,242.84 and 8,633.28

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Solution

The fourth proportional to 13,941.60, 19,242.84 and 8,633.28 is: 11,916.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941.60 : 19,242.84 = 8,633.28 : x
  2. Step 2: Convert to fraction form
    13,941.60/19,242.84 = 8,633.28/x
  3. Step 3: Cross multiply
    13,941.60x = 19,242.84 × 8,633.28
  4. Step 4: Simplify right side
    13,941.60x = 166,128,825.72
  5. Step 5: Solve for x
    x = 166,128,825.72/13,941.60
  6. Step 6: Final answer
    x = 11,916.05

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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.