Home / 19,129.41-26,398.56-10,631.26

Finding the Fourth Proportional to 19,129.41, 26,398.56 and 10,631.26

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Solution

The fourth proportional to 19,129.41, 26,398.56 and 10,631.26 is: 14,671.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,129.41 : 26,398.56 = 10,631.26 : x
  2. Step 2: Convert to fraction form
    19,129.41/26,398.56 = 10,631.26/x
  3. Step 3: Cross multiply
    19,129.41x = 26,398.56 × 10,631.26
  4. Step 4: Simplify right side
    19,129.41x = 280,649,954.99
  5. Step 5: Solve for x
    x = 280,649,954.99/19,129.41
  6. Step 6: Final answer
    x = 14,671.12

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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.