Home / 17,255-23,802.18-11,285.30

Finding the Fourth Proportional to 17,255, 23,802.18 and 11,285.30

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Solution

The fourth proportional to 17,255, 23,802.18 and 11,285.30 is: 15,567.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,255 : 23,802.18 = 11,285.30 : x
  2. Step 2: Convert to fraction form
    17,255/23,802.18 = 11,285.30/x
  3. Step 3: Cross multiply
    17,255x = 23,802.18 × 11,285.30
  4. Step 4: Simplify right side
    17,255x = 268,614,741.95
  5. Step 5: Solve for x
    x = 268,614,741.95/17,255
  6. Step 6: Final answer
    x = 15,567.36

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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.