Home / 11,548.44-15,931.13-7,240.77

Finding the Fourth Proportional to 11,548.44, 15,931.13 and 7,240.77

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Solution

The fourth proportional to 11,548.44, 15,931.13 and 7,240.77 is: 9,988.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,548.44 : 15,931.13 = 7,240.77 : x
  2. Step 2: Convert to fraction form
    11,548.44/15,931.13 = 7,240.77/x
  3. Step 3: Cross multiply
    11,548.44x = 15,931.13 × 7,240.77
  4. Step 4: Simplify right side
    11,548.44x = 115,353,611.97
  5. Step 5: Solve for x
    x = 115,353,611.97/11,548.44
  6. Step 6: Final answer
    x = 9,988.67

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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.