Home / 16,513.08-22,787.70-9,342.90

Finding the Fourth Proportional to 16,513.08, 22,787.70 and 9,342.90

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Solution

The fourth proportional to 16,513.08, 22,787.70 and 9,342.90 is: 12,893.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,513.08 : 22,787.70 = 9,342.90 : x
  2. Step 2: Convert to fraction form
    16,513.08/22,787.70 = 9,342.90/x
  3. Step 3: Cross multiply
    16,513.08x = 22,787.70 × 9,342.90
  4. Step 4: Simplify right side
    16,513.08x = 212,903,202.33
  5. Step 5: Solve for x
    x = 212,903,202.33/16,513.08
  6. Step 6: Final answer
    x = 12,893.00

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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.