Home / 19,689.59-29,538.18-6,366.17

Finding the Fourth Proportional to 19,689.59, 29,538.18 and 6,366.17

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Solution

The fourth proportional to 19,689.59, 29,538.18 and 6,366.17 is: 9,550.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,689.59 : 29,538.18 = 6,366.17 : x
  2. Step 2: Convert to fraction form
    19,689.59/29,538.18 = 6,366.17/x
  3. Step 3: Cross multiply
    19,689.59x = 29,538.18 × 6,366.17
  4. Step 4: Simplify right side
    19,689.59x = 188,045,075.37
  5. Step 5: Solve for x
    x = 188,045,075.37/19,689.59
  6. Step 6: Final answer
    x = 9,550.48

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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.