Home / 19,617.07-29,386.21-9,072.31

Finding the Fourth Proportional to 19,617.07, 29,386.21 and 9,072.31

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Solution

The fourth proportional to 19,617.07, 29,386.21 and 9,072.31 is: 13,590.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,617.07 : 29,386.21 = 9,072.31 : x
  2. Step 2: Convert to fraction form
    19,617.07/29,386.21 = 9,072.31/x
  3. Step 3: Cross multiply
    19,617.07x = 29,386.21 × 9,072.31
  4. Step 4: Simplify right side
    19,617.07x = 266,600,761.48
  5. Step 5: Solve for x
    x = 266,600,761.48/19,617.07
  6. Step 6: Final answer
    x = 13,590.24

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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.