Home / 13,369.57-18,447.24-9,064.19

Finding the Fourth Proportional to 13,369.57, 18,447.24 and 9,064.19

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Solution

The fourth proportional to 13,369.57, 18,447.24 and 9,064.19 is: 12,506.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,369.57 : 18,447.24 = 9,064.19 : x
  2. Step 2: Convert to fraction form
    13,369.57/18,447.24 = 9,064.19/x
  3. Step 3: Cross multiply
    13,369.57x = 18,447.24 × 9,064.19
  4. Step 4: Simplify right side
    13,369.57x = 167,209,264.68
  5. Step 5: Solve for x
    x = 167,209,264.68/13,369.57
  6. Step 6: Final answer
    x = 12,506.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.