Home / 13,175.46-19,765.01-5,783.40

Finding the Fourth Proportional to 13,175.46, 19,765.01 and 5,783.40

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Solution

The fourth proportional to 13,175.46, 19,765.01 and 5,783.40 is: 8,675.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,175.46 : 19,765.01 = 5,783.40 : x
  2. Step 2: Convert to fraction form
    13,175.46/19,765.01 = 5,783.40/x
  3. Step 3: Cross multiply
    13,175.46x = 19,765.01 × 5,783.40
  4. Step 4: Simplify right side
    13,175.46x = 114,308,973.29
  5. Step 5: Solve for x
    x = 114,308,973.29/13,175.46
  6. Step 6: Final answer
    x = 8,675.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.