Home / 17,148.73-23,612.64-15,012.31

Finding the Fourth Proportional to 17,148.73, 23,612.64 and 15,012.31

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Solution

The fourth proportional to 17,148.73, 23,612.64 and 15,012.31 is: 20,670.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,148.73 : 23,612.64 = 15,012.31 : x
  2. Step 2: Convert to fraction form
    17,148.73/23,612.64 = 15,012.31/x
  3. Step 3: Cross multiply
    17,148.73x = 23,612.64 × 15,012.31
  4. Step 4: Simplify right side
    17,148.73x = 354,480,271.60
  5. Step 5: Solve for x
    x = 354,480,271.60/17,148.73
  6. Step 6: Final answer
    x = 20,670.93

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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.