Home / 21,916.16-32,869.44-6,330.40

Finding the Fourth Proportional to 21,916.16, 32,869.44 and 6,330.40

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Solution

The fourth proportional to 21,916.16, 32,869.44 and 6,330.40 is: 9,494.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,916.16 : 32,869.44 = 6,330.40 : x
  2. Step 2: Convert to fraction form
    21,916.16/32,869.44 = 6,330.40/x
  3. Step 3: Cross multiply
    21,916.16x = 32,869.44 × 6,330.40
  4. Step 4: Simplify right side
    21,916.16x = 208,076,702.98
  5. Step 5: Solve for x
    x = 208,076,702.98/21,916.16
  6. Step 6: Final answer
    x = 9,494.21

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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.