Home / 18,713.86-25,829.47-12,341.60

Finding the Fourth Proportional to 18,713.86, 25,829.47 and 12,341.60

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Solution

The fourth proportional to 18,713.86, 25,829.47 and 12,341.60 is: 17,034.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,713.86 : 25,829.47 = 12,341.60 : x
  2. Step 2: Convert to fraction form
    18,713.86/25,829.47 = 12,341.60/x
  3. Step 3: Cross multiply
    18,713.86x = 25,829.47 × 12,341.60
  4. Step 4: Simplify right side
    18,713.86x = 318,777,051.53
  5. Step 5: Solve for x
    x = 318,777,051.53/18,713.86
  6. Step 6: Final answer
    x = 17,034.27

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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.