Home / 11,434.37-15,781.88-6,959.55

Finding the Fourth Proportional to 11,434.37, 15,781.88 and 6,959.55

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Solution

The fourth proportional to 11,434.37, 15,781.88 and 6,959.55 is: 9,605.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,434.37 : 15,781.88 = 6,959.55 : x
  2. Step 2: Convert to fraction form
    11,434.37/15,781.88 = 6,959.55/x
  3. Step 3: Cross multiply
    11,434.37x = 15,781.88 × 6,959.55
  4. Step 4: Simplify right side
    11,434.37x = 109,834,748.16
  5. Step 5: Solve for x
    x = 109,834,748.16/11,434.37
  6. Step 6: Final answer
    x = 9,605.67

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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.