Home / 19,636.09-29,455.08-6,488.17

Finding the Fourth Proportional to 19,636.09, 29,455.08 and 6,488.17

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Solution

The fourth proportional to 19,636.09, 29,455.08 and 6,488.17 is: 9,732.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,636.09 : 29,455.08 = 6,488.17 : x
  2. Step 2: Convert to fraction form
    19,636.09/29,455.08 = 6,488.17/x
  3. Step 3: Cross multiply
    19,636.09x = 29,455.08 × 6,488.17
  4. Step 4: Simplify right side
    19,636.09x = 191,109,566.40
  5. Step 5: Solve for x
    x = 191,109,566.40/19,636.09
  6. Step 6: Final answer
    x = 9,732.57

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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.