Home / 14,421.42-19,902.95-8,754.86

Finding the Fourth Proportional to 14,421.42, 19,902.95 and 8,754.86

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Solution

The fourth proportional to 14,421.42, 19,902.95 and 8,754.86 is: 12,082.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,421.42 : 19,902.95 = 8,754.86 : x
  2. Step 2: Convert to fraction form
    14,421.42/19,902.95 = 8,754.86/x
  3. Step 3: Cross multiply
    14,421.42x = 19,902.95 × 8,754.86
  4. Step 4: Simplify right side
    14,421.42x = 174,247,540.84
  5. Step 5: Solve for x
    x = 174,247,540.84/14,421.42
  6. Step 6: Final answer
    x = 12,082.55

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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.