Home / 20,594.04-28,418.76-11,639.79

Finding the Fourth Proportional to 20,594.04, 28,418.76 and 11,639.79

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Solution

The fourth proportional to 20,594.04, 28,418.76 and 11,639.79 is: 16,062.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,594.04 : 28,418.76 = 11,639.79 : x
  2. Step 2: Convert to fraction form
    20,594.04/28,418.76 = 11,639.79/x
  3. Step 3: Cross multiply
    20,594.04x = 28,418.76 × 11,639.79
  4. Step 4: Simplify right side
    20,594.04x = 330,788,398.46
  5. Step 5: Solve for x
    x = 330,788,398.46/20,594.04
  6. Step 6: Final answer
    x = 16,062.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.