Home / 19,190.39-26,466.55-12,470.83

Finding the Fourth Proportional to 19,190.39, 26,466.55 and 12,470.83

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Solution

The fourth proportional to 19,190.39, 26,466.55 and 12,470.83 is: 17,199.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,190.39 : 26,466.55 = 12,470.83 : x
  2. Step 2: Convert to fraction form
    19,190.39/26,466.55 = 12,470.83/x
  3. Step 3: Cross multiply
    19,190.39x = 26,466.55 × 12,470.83
  4. Step 4: Simplify right side
    19,190.39x = 330,059,748.39
  5. Step 5: Solve for x
    x = 330,059,748.39/19,190.39
  6. Step 6: Final answer
    x = 17,199.22

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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.