Home / 19,962.51-29,943.58-4,969.65

Finding the Fourth Proportional to 19,962.51, 29,943.58 and 4,969.65

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Solution

The fourth proportional to 19,962.51, 29,943.58 and 4,969.65 is: 7,454.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,962.51 : 29,943.58 = 4,969.65 : x
  2. Step 2: Convert to fraction form
    19,962.51/29,943.58 = 4,969.65/x
  3. Step 3: Cross multiply
    19,962.51x = 29,943.58 × 4,969.65
  4. Step 4: Simplify right side
    19,962.51x = 148,809,112.35
  5. Step 5: Solve for x
    x = 148,809,112.35/19,962.51
  6. Step 6: Final answer
    x = 7,454.43

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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.