Home / 19,636.08-29,373.12-12,605.28

Finding the Fourth Proportional to 19,636.08, 29,373.12 and 12,605.28

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Solution

The fourth proportional to 19,636.08, 29,373.12 and 12,605.28 is: 18,855.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,636.08 : 29,373.12 = 12,605.28 : x
  2. Step 2: Convert to fraction form
    19,636.08/29,373.12 = 12,605.28/x
  3. Step 3: Cross multiply
    19,636.08x = 29,373.12 × 12,605.28
  4. Step 4: Simplify right side
    19,636.08x = 370,256,402.07
  5. Step 5: Solve for x
    x = 370,256,402.07/19,636.08
  6. Step 6: Final answer
    x = 18,855.92

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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.