Home / 18,943.34-28,415.04-5,795.72

Finding the Fourth Proportional to 18,943.34, 28,415.04 and 5,795.72

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Solution

The fourth proportional to 18,943.34, 28,415.04 and 5,795.72 is: 8,693.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,943.34 : 28,415.04 = 5,795.72 : x
  2. Step 2: Convert to fraction form
    18,943.34/28,415.04 = 5,795.72/x
  3. Step 3: Cross multiply
    18,943.34x = 28,415.04 × 5,795.72
  4. Step 4: Simplify right side
    18,943.34x = 164,685,615.63
  5. Step 5: Solve for x
    x = 164,685,615.63/18,943.34
  6. Step 6: Final answer
    x = 8,693.59

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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.