Home / 13,427.67-18,522.73-12,477.35

Finding the Fourth Proportional to 13,427.67, 18,522.73 and 12,477.35

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Solution

The fourth proportional to 13,427.67, 18,522.73 and 12,477.35 is: 17,211.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,427.67 : 18,522.73 = 12,477.35 : x
  2. Step 2: Convert to fraction form
    13,427.67/18,522.73 = 12,477.35/x
  3. Step 3: Cross multiply
    13,427.67x = 18,522.73 × 12,477.35
  4. Step 4: Simplify right side
    13,427.67x = 231,114,585.17
  5. Step 5: Solve for x
    x = 231,114,585.17/13,427.67
  6. Step 6: Final answer
    x = 17,211.82

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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.