Home / 19,547.19-29,247.62-11,620.80

Finding the Fourth Proportional to 19,547.19, 29,247.62 and 11,620.80

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Solution

The fourth proportional to 19,547.19, 29,247.62 and 11,620.80 is: 17,387.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,547.19 : 29,247.62 = 11,620.80 : x
  2. Step 2: Convert to fraction form
    19,547.19/29,247.62 = 11,620.80/x
  3. Step 3: Cross multiply
    19,547.19x = 29,247.62 × 11,620.80
  4. Step 4: Simplify right side
    19,547.19x = 339,880,684.39
  5. Step 5: Solve for x
    x = 339,880,684.39/19,547.19
  6. Step 6: Final answer
    x = 17,387.70

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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.