Home / 18,970.21-26,181.53-10,587.25

Finding the Fourth Proportional to 18,970.21, 26,181.53 and 10,587.25

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Solution

The fourth proportional to 18,970.21, 26,181.53 and 10,587.25 is: 14,611.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,970.21 : 26,181.53 = 10,587.25 : x
  2. Step 2: Convert to fraction form
    18,970.21/26,181.53 = 10,587.25/x
  3. Step 3: Cross multiply
    18,970.21x = 26,181.53 × 10,587.25
  4. Step 4: Simplify right side
    18,970.21x = 277,190,403.49
  5. Step 5: Solve for x
    x = 277,190,403.49/18,970.21
  6. Step 6: Final answer
    x = 14,611.88

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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.