Home / 12,364.49-18,558.88-9,068.19

Finding the Fourth Proportional to 12,364.49, 18,558.88 and 9,068.19

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Solution

The fourth proportional to 12,364.49, 18,558.88 and 9,068.19 is: 13,611.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,364.49 : 18,558.88 = 9,068.19 : x
  2. Step 2: Convert to fraction form
    12,364.49/18,558.88 = 9,068.19/x
  3. Step 3: Cross multiply
    12,364.49x = 18,558.88 × 9,068.19
  4. Step 4: Simplify right side
    12,364.49x = 168,295,427.36
  5. Step 5: Solve for x
    x = 168,295,427.36/12,364.49
  6. Step 6: Final answer
    x = 13,611.20

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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.