Home / 18,840.08-25,999.44-10,456.58

Finding the Fourth Proportional to 18,840.08, 25,999.44 and 10,456.58

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Solution

The fourth proportional to 18,840.08, 25,999.44 and 10,456.58 is: 14,430.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,840.08 : 25,999.44 = 10,456.58 : x
  2. Step 2: Convert to fraction form
    18,840.08/25,999.44 = 10,456.58/x
  3. Step 3: Cross multiply
    18,840.08x = 25,999.44 × 10,456.58
  4. Step 4: Simplify right side
    18,840.08x = 271,865,224.32
  5. Step 5: Solve for x
    x = 271,865,224.32/18,840.08
  6. Step 6: Final answer
    x = 14,430.15

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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.