Home / 19,012.69-26,243.13-12,298.60

Finding the Fourth Proportional to 19,012.69, 26,243.13 and 12,298.60

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Solution

The fourth proportional to 19,012.69, 26,243.13 and 12,298.60 is: 16,975.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,012.69 : 26,243.13 = 12,298.60 : x
  2. Step 2: Convert to fraction form
    19,012.69/26,243.13 = 12,298.60/x
  3. Step 3: Cross multiply
    19,012.69x = 26,243.13 × 12,298.60
  4. Step 4: Simplify right side
    19,012.69x = 322,753,758.62
  5. Step 5: Solve for x
    x = 322,753,758.62/19,012.69
  6. Step 6: Final answer
    x = 16,975.70

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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.