Home / 16,289.41-22,482.90-9,918.07

Finding the Fourth Proportional to 16,289.41, 22,482.90 and 9,918.07

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Solution

The fourth proportional to 16,289.41, 22,482.90 and 9,918.07 is: 13,689.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,289.41 : 22,482.90 = 9,918.07 : x
  2. Step 2: Convert to fraction form
    16,289.41/22,482.90 = 9,918.07/x
  3. Step 3: Cross multiply
    16,289.41x = 22,482.90 × 9,918.07
  4. Step 4: Simplify right side
    16,289.41x = 222,986,976.00
  5. Step 5: Solve for x
    x = 222,986,976.00/16,289.41
  6. Step 6: Final answer
    x = 13,689.08

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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.