Home / 19,422.30-26,805.27-13,134.30

Finding the Fourth Proportional to 19,422.30, 26,805.27 and 13,134.30

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Solution

The fourth proportional to 19,422.30, 26,805.27 and 13,134.30 is: 18,127.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,422.30 : 26,805.27 = 13,134.30 : x
  2. Step 2: Convert to fraction form
    19,422.30/26,805.27 = 13,134.30/x
  3. Step 3: Cross multiply
    19,422.30x = 26,805.27 × 13,134.30
  4. Step 4: Simplify right side
    19,422.30x = 352,068,457.76
  5. Step 5: Solve for x
    x = 352,068,457.76/19,422.30
  6. Step 6: Final answer
    x = 18,127.02

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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.