Home / 14,277.83-19,702.69-7,817.30

Finding the Fourth Proportional to 14,277.83, 19,702.69 and 7,817.30

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Solution

The fourth proportional to 14,277.83, 19,702.69 and 7,817.30 is: 10,787.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,277.83 : 19,702.69 = 7,817.30 : x
  2. Step 2: Convert to fraction form
    14,277.83/19,702.69 = 7,817.30/x
  3. Step 3: Cross multiply
    14,277.83x = 19,702.69 × 7,817.30
  4. Step 4: Simplify right side
    14,277.83x = 154,021,720.48
  5. Step 5: Solve for x
    x = 154,021,720.48/14,277.83
  6. Step 6: Final answer
    x = 10,787.47

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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.