Home / 10,486.89-15,756.26-9,242.73

Finding the Fourth Proportional to 10,486.89, 15,756.26 and 9,242.73

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Solution

The fourth proportional to 10,486.89, 15,756.26 and 9,242.73 is: 13,886.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,486.89 : 15,756.26 = 9,242.73 : x
  2. Step 2: Convert to fraction form
    10,486.89/15,756.26 = 9,242.73/x
  3. Step 3: Cross multiply
    10,486.89x = 15,756.26 × 9,242.73
  4. Step 4: Simplify right side
    10,486.89x = 145,630,810.78
  5. Step 5: Solve for x
    x = 145,630,810.78/10,486.89
  6. Step 6: Final answer
    x = 13,886.94

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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.