Home / 13,954.16-19,257.04-7,666.80

Finding the Fourth Proportional to 13,954.16, 19,257.04 and 7,666.80

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Solution

The fourth proportional to 13,954.16, 19,257.04 and 7,666.80 is: 10,580.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,954.16 : 19,257.04 = 7,666.80 : x
  2. Step 2: Convert to fraction form
    13,954.16/19,257.04 = 7,666.80/x
  3. Step 3: Cross multiply
    13,954.16x = 19,257.04 × 7,666.80
  4. Step 4: Simplify right side
    13,954.16x = 147,639,874.27
  5. Step 5: Solve for x
    x = 147,639,874.27/13,954.16
  6. Step 6: Final answer
    x = 10,580.35

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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.