Home / 19,718.09-29,567.71-10,830.36

Finding the Fourth Proportional to 19,718.09, 29,567.71 and 10,830.36

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Solution

The fourth proportional to 19,718.09, 29,567.71 and 10,830.36 is: 16,240.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,718.09 : 29,567.71 = 10,830.36 : x
  2. Step 2: Convert to fraction form
    19,718.09/29,567.71 = 10,830.36/x
  3. Step 3: Cross multiply
    19,718.09x = 29,567.71 × 10,830.36
  4. Step 4: Simplify right side
    19,718.09x = 320,228,943.68
  5. Step 5: Solve for x
    x = 320,228,943.68/19,718.09
  6. Step 6: Final answer
    x = 16,240.36

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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.