Home / 18,741.02-25,861.73-10,242.86

Finding the Fourth Proportional to 18,741.02, 25,861.73 and 10,242.86

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Solution

The fourth proportional to 18,741.02, 25,861.73 and 10,242.86 is: 14,134.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,741.02 : 25,861.73 = 10,242.86 : x
  2. Step 2: Convert to fraction form
    18,741.02/25,861.73 = 10,242.86/x
  3. Step 3: Cross multiply
    18,741.02x = 25,861.73 × 10,242.86
  4. Step 4: Simplify right side
    18,741.02x = 264,897,899.22
  5. Step 5: Solve for x
    x = 264,897,899.22/18,741.02
  6. Step 6: Final answer
    x = 14,134.66

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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.