Home / 19,394.30-26,760.61-13,030.13

Finding the Fourth Proportional to 19,394.30, 26,760.61 and 13,030.13

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Solution

The fourth proportional to 19,394.30, 26,760.61 and 13,030.13 is: 17,979.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,394.30 : 26,760.61 = 13,030.13 : x
  2. Step 2: Convert to fraction form
    19,394.30/26,760.61 = 13,030.13/x
  3. Step 3: Cross multiply
    19,394.30x = 26,760.61 × 13,030.13
  4. Step 4: Simplify right side
    19,394.30x = 348,694,227.18
  5. Step 5: Solve for x
    x = 348,694,227.18/19,394.30
  6. Step 6: Final answer
    x = 17,979.21

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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.