Home / 15,410.36-21,259.53-9,033.72

Finding the Fourth Proportional to 15,410.36, 21,259.53 and 9,033.72

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Solution

The fourth proportional to 15,410.36, 21,259.53 and 9,033.72 is: 12,462.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,410.36 : 21,259.53 = 9,033.72 : x
  2. Step 2: Convert to fraction form
    15,410.36/21,259.53 = 9,033.72/x
  3. Step 3: Cross multiply
    15,410.36x = 21,259.53 × 9,033.72
  4. Step 4: Simplify right side
    15,410.36x = 192,052,641.35
  5. Step 5: Solve for x
    x = 192,052,641.35/15,410.36
  6. Step 6: Final answer
    x = 12,462.57

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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.