Home / 12,368.94-18,485.49-9,044.19

Finding the Fourth Proportional to 12,368.94, 18,485.49 and 9,044.19

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Solution

The fourth proportional to 12,368.94, 18,485.49 and 9,044.19 is: 13,516.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,368.94 : 18,485.49 = 9,044.19 : x
  2. Step 2: Convert to fraction form
    12,368.94/18,485.49 = 9,044.19/x
  3. Step 3: Cross multiply
    12,368.94x = 18,485.49 × 9,044.19
  4. Step 4: Simplify right side
    12,368.94x = 167,186,260.20
  5. Step 5: Solve for x
    x = 167,186,260.20/12,368.94
  6. Step 6: Final answer
    x = 13,516.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.