Home / 19,339.56-28,971.36-10,994.58

Finding the Fourth Proportional to 19,339.56, 28,971.36 and 10,994.58

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Solution

The fourth proportional to 19,339.56, 28,971.36 and 10,994.58 is: 16,470.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,339.56 : 28,971.36 = 10,994.58 : x
  2. Step 2: Convert to fraction form
    19,339.56/28,971.36 = 10,994.58/x
  3. Step 3: Cross multiply
    19,339.56x = 28,971.36 × 10,994.58
  4. Step 4: Simplify right side
    19,339.56x = 318,527,935.23
  5. Step 5: Solve for x
    x = 318,527,935.23/19,339.56
  6. Step 6: Final answer
    x = 16,470.28

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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.