Home / 13,269.54-18,312.10-7,604.16

Finding the Fourth Proportional to 13,269.54, 18,312.10 and 7,604.16

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Solution

The fourth proportional to 13,269.54, 18,312.10 and 7,604.16 is: 10,493.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269.54 : 18,312.10 = 7,604.16 : x
  2. Step 2: Convert to fraction form
    13,269.54/18,312.10 = 7,604.16/x
  3. Step 3: Cross multiply
    13,269.54x = 18,312.10 × 7,604.16
  4. Step 4: Simplify right side
    13,269.54x = 139,248,175.05
  5. Step 5: Solve for x
    x = 139,248,175.05/13,269.54
  6. Step 6: Final answer
    x = 10,493.82

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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.