Home / 14,076-19,423.20-7,787.52

Finding the Fourth Proportional to 14,076, 19,423.20 and 7,787.52

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Solution

The fourth proportional to 14,076, 19,423.20 and 7,787.52 is: 10,745.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,076 : 19,423.20 = 7,787.52 : x
  2. Step 2: Convert to fraction form
    14,076/19,423.20 = 7,787.52/x
  3. Step 3: Cross multiply
    14,076x = 19,423.20 × 7,787.52
  4. Step 4: Simplify right side
    14,076x = 151,258,558.46
  5. Step 5: Solve for x
    x = 151,258,558.46/14,076
  6. Step 6: Final answer
    x = 10,745.85

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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.