Home / 13,065.04-19,684.72-11,817.07

Finding the Fourth Proportional to 13,065.04, 19,684.72 and 11,817.07

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Solution

The fourth proportional to 13,065.04, 19,684.72 and 11,817.07 is: 17,804.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,065.04 : 19,684.72 = 11,817.07 : x
  2. Step 2: Convert to fraction form
    13,065.04/19,684.72 = 11,817.07/x
  3. Step 3: Cross multiply
    13,065.04x = 19,684.72 × 11,817.07
  4. Step 4: Simplify right side
    13,065.04x = 232,615,635.42
  5. Step 5: Solve for x
    x = 232,615,635.42/13,065.04
  6. Step 6: Final answer
    x = 17,804.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.