Home / 13,978.39-20,967.57-9,582.52

Finding the Fourth Proportional to 13,978.39, 20,967.57 and 9,582.52

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Solution

The fourth proportional to 13,978.39, 20,967.57 and 9,582.52 is: 14,373.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,978.39 : 20,967.57 = 9,582.52 : x
  2. Step 2: Convert to fraction form
    13,978.39/20,967.57 = 9,582.52/x
  3. Step 3: Cross multiply
    13,978.39x = 20,967.57 × 9,582.52
  4. Step 4: Simplify right side
    13,978.39x = 200,922,054.04
  5. Step 5: Solve for x
    x = 200,922,054.04/13,978.39
  6. Step 6: Final answer
    x = 14,373.77

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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.