Home / 19,339.71-29,012.35-7,336.28

Finding the Fourth Proportional to 19,339.71, 29,012.35 and 7,336.28

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Solution

The fourth proportional to 19,339.71, 29,012.35 and 7,336.28 is: 11,005.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,339.71 : 29,012.35 = 7,336.28 : x
  2. Step 2: Convert to fraction form
    19,339.71/29,012.35 = 7,336.28/x
  3. Step 3: Cross multiply
    19,339.71x = 29,012.35 × 7,336.28
  4. Step 4: Simplify right side
    19,339.71x = 212,842,723.06
  5. Step 5: Solve for x
    x = 212,842,723.06/19,339.71
  6. Step 6: Final answer
    x = 11,005.48

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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.