Home / 13,764.23-18,984.06-9,280.88

Finding the Fourth Proportional to 13,764.23, 18,984.06 and 9,280.88

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Solution

The fourth proportional to 13,764.23, 18,984.06 and 9,280.88 is: 12,800.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,764.23 : 18,984.06 = 9,280.88 : x
  2. Step 2: Convert to fraction form
    13,764.23/18,984.06 = 9,280.88/x
  3. Step 3: Cross multiply
    13,764.23x = 18,984.06 × 9,280.88
  4. Step 4: Simplify right side
    13,764.23x = 176,188,782.77
  5. Step 5: Solve for x
    x = 176,188,782.77/13,764.23
  6. Step 6: Final answer
    x = 12,800.48

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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.