Home / 15,601.56-21,529.08-8,886.96

Finding the Fourth Proportional to 15,601.56, 21,529.08 and 8,886.96

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Solution

The fourth proportional to 15,601.56, 21,529.08 and 8,886.96 is: 12,263.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,601.56 : 21,529.08 = 8,886.96 : x
  2. Step 2: Convert to fraction form
    15,601.56/21,529.08 = 8,886.96/x
  3. Step 3: Cross multiply
    15,601.56x = 21,529.08 × 8,886.96
  4. Step 4: Simplify right side
    15,601.56x = 191,328,072.80
  5. Step 5: Solve for x
    x = 191,328,072.80/15,601.56
  6. Step 6: Final answer
    x = 12,263.39

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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.