Home / 19,327.86-29,002.94-10,443.21

Finding the Fourth Proportional to 19,327.86, 29,002.94 and 10,443.21

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Solution

The fourth proportional to 19,327.86, 29,002.94 and 10,443.21 is: 15,670.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,327.86 : 29,002.94 = 10,443.21 : x
  2. Step 2: Convert to fraction form
    19,327.86/29,002.94 = 10,443.21/x
  3. Step 3: Cross multiply
    19,327.86x = 29,002.94 × 10,443.21
  4. Step 4: Simplify right side
    19,327.86x = 302,883,804.99
  5. Step 5: Solve for x
    x = 302,883,804.99/19,327.86
  6. Step 6: Final answer
    x = 15,670.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.