Home / 13,009.04-19,517.08-4,689.98

Finding the Fourth Proportional to 13,009.04, 19,517.08 and 4,689.98

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Solution

The fourth proportional to 13,009.04, 19,517.08 and 4,689.98 is: 7,036.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,009.04 : 19,517.08 = 4,689.98 : x
  2. Step 2: Convert to fraction form
    13,009.04/19,517.08 = 4,689.98/x
  3. Step 3: Cross multiply
    13,009.04x = 19,517.08 × 4,689.98
  4. Step 4: Simplify right side
    13,009.04x = 91,534,714.86
  5. Step 5: Solve for x
    x = 91,534,714.86/13,009.04
  6. Step 6: Final answer
    x = 7,036.24

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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.