Home / 14,869.19-20,518.83-8,904.15

Finding the Fourth Proportional to 14,869.19, 20,518.83 and 8,904.15

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Solution

The fourth proportional to 14,869.19, 20,518.83 and 8,904.15 is: 12,287.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,869.19 : 20,518.83 = 8,904.15 : x
  2. Step 2: Convert to fraction form
    14,869.19/20,518.83 = 8,904.15/x
  3. Step 3: Cross multiply
    14,869.19x = 20,518.83 × 8,904.15
  4. Step 4: Simplify right side
    14,869.19x = 182,702,740.14
  5. Step 5: Solve for x
    x = 182,702,740.14/14,869.19
  6. Step 6: Final answer
    x = 12,287.33

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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.