Home / 19,684.80-29,437.43-14,690.70

Finding the Fourth Proportional to 19,684.80, 29,437.43 and 14,690.70

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Solution

The fourth proportional to 19,684.80, 29,437.43 and 14,690.70 is: 21,969.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,684.80 : 29,437.43 = 14,690.70 : x
  2. Step 2: Convert to fraction form
    19,684.80/29,437.43 = 14,690.70/x
  3. Step 3: Cross multiply
    19,684.80x = 29,437.43 × 14,690.70
  4. Step 4: Simplify right side
    19,684.80x = 432,456,379.45
  5. Step 5: Solve for x
    x = 432,456,379.45/19,684.80
  6. Step 6: Final answer
    x = 21,969.05

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1.5x scale

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.