Home / 9,932.55-14,909.76-7,865.84

Finding the Fourth Proportional to 9,932.55, 14,909.76 and 7,865.84

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Solution

The fourth proportional to 9,932.55, 14,909.76 and 7,865.84 is: 11,807.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,932.55 : 14,909.76 = 7,865.84 : x
  2. Step 2: Convert to fraction form
    9,932.55/14,909.76 = 7,865.84/x
  3. Step 3: Cross multiply
    9,932.55x = 14,909.76 × 7,865.84
  4. Step 4: Simplify right side
    9,932.55x = 117,277,712.05
  5. Step 5: Solve for x
    x = 117,277,712.05/9,932.55
  6. Step 6: Final answer
    x = 11,807.41

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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.