Home / 10,401.09-15,588.05-9,081.51

Finding the Fourth Proportional to 10,401.09, 15,588.05 and 9,081.51

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Solution

The fourth proportional to 10,401.09, 15,588.05 and 9,081.51 is: 13,610.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,401.09 : 15,588.05 = 9,081.51 : x
  2. Step 2: Convert to fraction form
    10,401.09/15,588.05 = 9,081.51/x
  3. Step 3: Cross multiply
    10,401.09x = 15,588.05 × 9,081.51
  4. Step 4: Simplify right side
    10,401.09x = 141,562,986.55
  5. Step 5: Solve for x
    x = 141,562,986.55/10,401.09
  6. Step 6: Final answer
    x = 13,610.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.