Home / 18,277.90-25,223.32-10,319.94

Finding the Fourth Proportional to 18,277.90, 25,223.32 and 10,319.94

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Solution

The fourth proportional to 18,277.90, 25,223.32 and 10,319.94 is: 14,241.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,277.90 : 25,223.32 = 10,319.94 : x
  2. Step 2: Convert to fraction form
    18,277.90/25,223.32 = 10,319.94/x
  3. Step 3: Cross multiply
    18,277.90x = 25,223.32 × 10,319.94
  4. Step 4: Simplify right side
    18,277.90x = 260,303,149.00
  5. Step 5: Solve for x
    x = 260,303,149.00/18,277.90
  6. Step 6: Final answer
    x = 14,241.41

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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.