Home / 15,813.63-21,823.94-9,440.48

Finding the Fourth Proportional to 15,813.63, 21,823.94 and 9,440.48

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Solution

The fourth proportional to 15,813.63, 21,823.94 and 9,440.48 is: 13,028.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,813.63 : 21,823.94 = 9,440.48 : x
  2. Step 2: Convert to fraction form
    15,813.63/21,823.94 = 9,440.48/x
  3. Step 3: Cross multiply
    15,813.63x = 21,823.94 × 9,440.48
  4. Step 4: Simplify right side
    15,813.63x = 206,028,547.25
  5. Step 5: Solve for x
    x = 206,028,547.25/15,813.63
  6. Step 6: Final answer
    x = 13,028.54

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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.