Home / 14,084.48-19,436.59-8,779.30

Finding the Fourth Proportional to 14,084.48, 19,436.59 and 8,779.30

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Solution

The fourth proportional to 14,084.48, 19,436.59 and 8,779.30 is: 12,115.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,084.48 : 19,436.59 = 8,779.30 : x
  2. Step 2: Convert to fraction form
    14,084.48/19,436.59 = 8,779.30/x
  3. Step 3: Cross multiply
    14,084.48x = 19,436.59 × 8,779.30
  4. Step 4: Simplify right side
    14,084.48x = 170,639,616.97
  5. Step 5: Solve for x
    x = 170,639,616.97/14,084.48
  6. Step 6: Final answer
    x = 12,115.43

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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.