Home / 13,701.04-18,907.40-7,732.68

Finding the Fourth Proportional to 13,701.04, 18,907.40 and 7,732.68

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Solution

The fourth proportional to 13,701.04, 18,907.40 and 7,732.68 is: 10,671.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,701.04 : 18,907.40 = 7,732.68 : x
  2. Step 2: Convert to fraction form
    13,701.04/18,907.40 = 7,732.68/x
  3. Step 3: Cross multiply
    13,701.04x = 18,907.40 × 7,732.68
  4. Step 4: Simplify right side
    13,701.04x = 146,204,873.83
  5. Step 5: Solve for x
    x = 146,204,873.83/13,701.04
  6. Step 6: Final answer
    x = 10,671.08

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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.