Home / 19,350.73-29,011.47-9,986.68

Finding the Fourth Proportional to 19,350.73, 29,011.47 and 9,986.68

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Solution

The fourth proportional to 19,350.73, 29,011.47 and 9,986.68 is: 14,972.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,350.73 : 29,011.47 = 9,986.68 : x
  2. Step 2: Convert to fraction form
    19,350.73/29,011.47 = 9,986.68/x
  3. Step 3: Cross multiply
    19,350.73x = 29,011.47 × 9,986.68
  4. Step 4: Simplify right side
    19,350.73x = 289,728,267.22
  5. Step 5: Solve for x
    x = 289,728,267.22/19,350.73
  6. Step 6: Final answer
    x = 14,972.47

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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.