Home / 13,340.04-19,968.12-9,155.58

Finding the Fourth Proportional to 13,340.04, 19,968.12 and 9,155.58

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Solution

The fourth proportional to 13,340.04, 19,968.12 and 9,155.58 is: 13,704.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,340.04 : 19,968.12 = 9,155.58 : x
  2. Step 2: Convert to fraction form
    13,340.04/19,968.12 = 9,155.58/x
  3. Step 3: Cross multiply
    13,340.04x = 19,968.12 × 9,155.58
  4. Step 4: Simplify right side
    13,340.04x = 182,819,720.11
  5. Step 5: Solve for x
    x = 182,819,720.11/13,340.04
  6. Step 6: Final answer
    x = 13,704.59

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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.