Home / 12,433.36-18,633.40-9,130.96

Finding the Fourth Proportional to 12,433.36, 18,633.40 and 9,130.96

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Solution

The fourth proportional to 12,433.36, 18,633.40 and 9,130.96 is: 13,684.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,433.36 : 18,633.40 = 9,130.96 : x
  2. Step 2: Convert to fraction form
    12,433.36/18,633.40 = 9,130.96/x
  3. Step 3: Cross multiply
    12,433.36x = 18,633.40 × 9,130.96
  4. Step 4: Simplify right side
    12,433.36x = 170,140,830.06
  5. Step 5: Solve for x
    x = 170,140,830.06/12,433.36
  6. Step 6: Final answer
    x = 13,684.22

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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.