Home / 13,555.73-18,706.46-7,587.24

Finding the Fourth Proportional to 13,555.73, 18,706.46 and 7,587.24

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Solution

The fourth proportional to 13,555.73, 18,706.46 and 7,587.24 is: 10,470.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,555.73 : 18,706.46 = 7,587.24 : x
  2. Step 2: Convert to fraction form
    13,555.73/18,706.46 = 7,587.24/x
  3. Step 3: Cross multiply
    13,555.73x = 18,706.46 × 7,587.24
  4. Step 4: Simplify right side
    13,555.73x = 141,930,363.63
  5. Step 5: Solve for x
    x = 141,930,363.63/13,555.73
  6. Step 6: Final answer
    x = 10,470.14

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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.