Home / 13,068.20-19,599.42-8,374.12

Finding the Fourth Proportional to 13,068.20, 19,599.42 and 8,374.12

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Solution

The fourth proportional to 13,068.20, 19,599.42 and 8,374.12 is: 12,559.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,068.20 : 19,599.42 = 8,374.12 : x
  2. Step 2: Convert to fraction form
    13,068.20/19,599.42 = 8,374.12/x
  3. Step 3: Cross multiply
    13,068.20x = 19,599.42 × 8,374.12
  4. Step 4: Simplify right side
    13,068.20x = 164,127,895.01
  5. Step 5: Solve for x
    x = 164,127,895.01/13,068.20
  6. Step 6: Final answer
    x = 12,559.33

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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.