Home / 13,554.39-18,705.96-7,586.63

Finding the Fourth Proportional to 13,554.39, 18,705.96 and 7,586.63

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Solution

The fourth proportional to 13,554.39, 18,705.96 and 7,586.63 is: 10,470.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,554.39 : 18,705.96 = 7,586.63 : x
  2. Step 2: Convert to fraction form
    13,554.39/18,705.96 = 7,586.63/x
  3. Step 3: Cross multiply
    13,554.39x = 18,705.96 × 7,586.63
  4. Step 4: Simplify right side
    13,554.39x = 141,915,103.79
  5. Step 5: Solve for x
    x = 141,915,103.79/13,554.39
  6. Step 6: Final answer
    x = 10,470.05

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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.