Home / 13,747.04-18,977.52-9,776.48

Finding the Fourth Proportional to 13,747.04, 18,977.52 and 9,776.48

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Solution

The fourth proportional to 13,747.04, 18,977.52 and 9,776.48 is: 13,496.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,747.04 : 18,977.52 = 9,776.48 : x
  2. Step 2: Convert to fraction form
    13,747.04/18,977.52 = 9,776.48/x
  3. Step 3: Cross multiply
    13,747.04x = 18,977.52 × 9,776.48
  4. Step 4: Simplify right side
    13,747.04x = 185,533,344.73
  5. Step 5: Solve for x
    x = 185,533,344.73/13,747.04
  6. Step 6: Final answer
    x = 13,496.24

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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.