Home / 12,368.15-18,530.49-10,301.39

Finding the Fourth Proportional to 12,368.15, 18,530.49 and 10,301.39

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Solution

The fourth proportional to 12,368.15, 18,530.49 and 10,301.39 is: 15,433.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,368.15 : 18,530.49 = 10,301.39 : x
  2. Step 2: Convert to fraction form
    12,368.15/18,530.49 = 10,301.39/x
  3. Step 3: Cross multiply
    12,368.15x = 18,530.49 × 10,301.39
  4. Step 4: Simplify right side
    12,368.15x = 190,889,804.38
  5. Step 5: Solve for x
    x = 190,889,804.38/12,368.15
  6. Step 6: Final answer
    x = 15,433.98

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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.