Home / 13,903.62-19,178.97-9,647.04

Finding the Fourth Proportional to 13,903.62, 19,178.97 and 9,647.04

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Solution

The fourth proportional to 13,903.62, 19,178.97 and 9,647.04 is: 13,307.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,903.62 : 19,178.97 = 9,647.04 : x
  2. Step 2: Convert to fraction form
    13,903.62/19,178.97 = 9,647.04/x
  3. Step 3: Cross multiply
    13,903.62x = 19,178.97 × 9,647.04
  4. Step 4: Simplify right side
    13,903.62x = 185,020,290.75
  5. Step 5: Solve for x
    x = 185,020,290.75/13,903.62
  6. Step 6: Final answer
    x = 13,307.35

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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.