Home / 9,929.61-14,896.45-2,909.85

Finding the Fourth Proportional to 9,929.61, 14,896.45 and 2,909.85

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Solution

The fourth proportional to 9,929.61, 14,896.45 and 2,909.85 is: 4,365.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,929.61 : 14,896.45 = 2,909.85 : x
  2. Step 2: Convert to fraction form
    9,929.61/14,896.45 = 2,909.85/x
  3. Step 3: Cross multiply
    9,929.61x = 14,896.45 × 2,909.85
  4. Step 4: Simplify right side
    9,929.61x = 43,346,405.07
  5. Step 5: Solve for x
    x = 43,346,405.07/9,929.61
  6. Step 6: Final answer
    x = 4,365.37

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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.