Home / 13,225.86-19,842.48-10,783.74

Finding the Fourth Proportional to 13,225.86, 19,842.48 and 10,783.74

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Solution

The fourth proportional to 13,225.86, 19,842.48 and 10,783.74 is: 16,178.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,225.86 : 19,842.48 = 10,783.74 : x
  2. Step 2: Convert to fraction form
    13,225.86/19,842.48 = 10,783.74/x
  3. Step 3: Cross multiply
    13,225.86x = 19,842.48 × 10,783.74
  4. Step 4: Simplify right side
    13,225.86x = 213,976,145.28
  5. Step 5: Solve for x
    x = 213,976,145.28/13,225.86
  6. Step 6: Final answer
    x = 16,178.62

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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.