Home / 19,080.51-26,306.90-13,636.08

Finding the Fourth Proportional to 19,080.51, 26,306.90 and 13,636.08

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Solution

The fourth proportional to 19,080.51, 26,306.90 and 13,636.08 is: 18,800.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,080.51 : 26,306.90 = 13,636.08 : x
  2. Step 2: Convert to fraction form
    19,080.51/26,306.90 = 13,636.08/x
  3. Step 3: Cross multiply
    19,080.51x = 26,306.90 × 13,636.08
  4. Step 4: Simplify right side
    19,080.51x = 358,722,992.95
  5. Step 5: Solve for x
    x = 358,722,992.95/19,080.51
  6. Step 6: Final answer
    x = 18,800.50

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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.