Home / 13,534.46-18,675.33-12,445.74

Finding the Fourth Proportional to 13,534.46, 18,675.33 and 12,445.74

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Solution

The fourth proportional to 13,534.46, 18,675.33 and 12,445.74 is: 17,173.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,534.46 : 18,675.33 = 12,445.74 : x
  2. Step 2: Convert to fraction form
    13,534.46/18,675.33 = 12,445.74/x
  3. Step 3: Cross multiply
    13,534.46x = 18,675.33 × 12,445.74
  4. Step 4: Simplify right side
    13,534.46x = 232,428,412.46
  5. Step 5: Solve for x
    x = 232,428,412.46/13,534.46
  6. Step 6: Final answer
    x = 17,173.09

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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.