Home / 14,128.64-21,194.40-4,892.48

Finding the Fourth Proportional to 14,128.64, 21,194.40 and 4,892.48

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Solution

The fourth proportional to 14,128.64, 21,194.40 and 4,892.48 is: 7,339.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,128.64 : 21,194.40 = 4,892.48 : x
  2. Step 2: Convert to fraction form
    14,128.64/21,194.40 = 4,892.48/x
  3. Step 3: Cross multiply
    14,128.64x = 21,194.40 × 4,892.48
  4. Step 4: Simplify right side
    14,128.64x = 103,693,178.11
  5. Step 5: Solve for x
    x = 103,693,178.11/14,128.64
  6. Step 6: Final answer
    x = 7,339.22

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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.