Home / 18,734.08-25,840.76-12,009.06

Finding the Fourth Proportional to 18,734.08, 25,840.76 and 12,009.06

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Solution

The fourth proportional to 18,734.08, 25,840.76 and 12,009.06 is: 16,564.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,734.08 : 25,840.76 = 12,009.06 : x
  2. Step 2: Convert to fraction form
    18,734.08/25,840.76 = 12,009.06/x
  3. Step 3: Cross multiply
    18,734.08x = 25,840.76 × 12,009.06
  4. Step 4: Simplify right side
    18,734.08x = 310,323,237.29
  5. Step 5: Solve for x
    x = 310,323,237.29/18,734.08
  6. Step 6: Final answer
    x = 16,564.64

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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.