Home / 14,013.30-19,327.40-8,977.98

Finding the Fourth Proportional to 14,013.30, 19,327.40 and 8,977.98

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Solution

The fourth proportional to 14,013.30, 19,327.40 and 8,977.98 is: 12,382.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,013.30 : 19,327.40 = 8,977.98 : x
  2. Step 2: Convert to fraction form
    14,013.30/19,327.40 = 8,977.98/x
  3. Step 3: Cross multiply
    14,013.30x = 19,327.40 × 8,977.98
  4. Step 4: Simplify right side
    14,013.30x = 173,521,010.65
  5. Step 5: Solve for x
    x = 173,521,010.65/14,013.30
  6. Step 6: Final answer
    x = 12,382.60

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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.