Home / 14,441.51-19,918.62-9,131.20

Finding the Fourth Proportional to 14,441.51, 19,918.62 and 9,131.20

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Solution

The fourth proportional to 14,441.51, 19,918.62 and 9,131.20 is: 12,594.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,441.51 : 19,918.62 = 9,131.20 : x
  2. Step 2: Convert to fraction form
    14,441.51/19,918.62 = 9,131.20/x
  3. Step 3: Cross multiply
    14,441.51x = 19,918.62 × 9,131.20
  4. Step 4: Simplify right side
    14,441.51x = 181,880,853.15
  5. Step 5: Solve for x
    x = 181,880,853.15/14,441.51
  6. Step 6: Final answer
    x = 12,594.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.