Home / 14,902.30-20,565.23-8,188.35

Finding the Fourth Proportional to 14,902.30, 20,565.23 and 8,188.35

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Solution

The fourth proportional to 14,902.30, 20,565.23 and 8,188.35 is: 11,299.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,902.30 : 20,565.23 = 8,188.35 : x
  2. Step 2: Convert to fraction form
    14,902.30/20,565.23 = 8,188.35/x
  3. Step 3: Cross multiply
    14,902.30x = 20,565.23 × 8,188.35
  4. Step 4: Simplify right side
    14,902.30x = 168,395,301.07
  5. Step 5: Solve for x
    x = 168,395,301.07/14,902.30
  6. Step 6: Final answer
    x = 11,299.95

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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.