Home / 30,925.10-46,391.34-9,857.84

Finding the Fourth Proportional to 30,925.10, 46,391.34 and 9,857.84

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Solution

The fourth proportional to 30,925.10, 46,391.34 and 9,857.84 is: 14,787.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,925.10 : 46,391.34 = 9,857.84 : x
  2. Step 2: Convert to fraction form
    30,925.10/46,391.34 = 9,857.84/x
  3. Step 3: Cross multiply
    30,925.10x = 46,391.34 × 9,857.84
  4. Step 4: Simplify right side
    30,925.10x = 457,318,407.11
  5. Step 5: Solve for x
    x = 457,318,407.11/30,925.10
  6. Step 6: Final answer
    x = 14,787.94

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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.