Home / 18,854.79-26,018.46-10,355.26

Finding the Fourth Proportional to 18,854.79, 26,018.46 and 10,355.26

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Solution

The fourth proportional to 18,854.79, 26,018.46 and 10,355.26 is: 14,289.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,854.79 : 26,018.46 = 10,355.26 : x
  2. Step 2: Convert to fraction form
    18,854.79/26,018.46 = 10,355.26/x
  3. Step 3: Cross multiply
    18,854.79x = 26,018.46 × 10,355.26
  4. Step 4: Simplify right side
    18,854.79x = 269,427,918.10
  5. Step 5: Solve for x
    x = 269,427,918.10/18,854.79
  6. Step 6: Final answer
    x = 14,289.63

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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.