Home / 21,368.16-32,063.70-8,896.78

Finding the Fourth Proportional to 21,368.16, 32,063.70 and 8,896.78

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Solution

The fourth proportional to 21,368.16, 32,063.70 and 8,896.78 is: 13,349.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,368.16 : 32,063.70 = 8,896.78 : x
  2. Step 2: Convert to fraction form
    21,368.16/32,063.70 = 8,896.78/x
  3. Step 3: Cross multiply
    21,368.16x = 32,063.70 × 8,896.78
  4. Step 4: Simplify right side
    21,368.16x = 285,263,684.89
  5. Step 5: Solve for x
    x = 285,263,684.89/21,368.16
  6. Step 6: Final answer
    x = 13,349.94

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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.