Home / 18,782.47-25,918.66-10,284.69

Finding the Fourth Proportional to 18,782.47, 25,918.66 and 10,284.69

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Solution

The fourth proportional to 18,782.47, 25,918.66 and 10,284.69 is: 14,192.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,782.47 : 25,918.66 = 10,284.69 : x
  2. Step 2: Convert to fraction form
    18,782.47/25,918.66 = 10,284.69/x
  3. Step 3: Cross multiply
    18,782.47x = 25,918.66 × 10,284.69
  4. Step 4: Simplify right side
    18,782.47x = 266,565,522.29
  5. Step 5: Solve for x
    x = 266,565,522.29/18,782.47
  6. Step 6: Final answer
    x = 14,192.25

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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.