Home / 13,323.05-18,374.60-9,973.77

Finding the Fourth Proportional to 13,323.05, 18,374.60 and 9,973.77

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Solution

The fourth proportional to 13,323.05, 18,374.60 and 9,973.77 is: 13,755.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,323.05 : 18,374.60 = 9,973.77 : x
  2. Step 2: Convert to fraction form
    13,323.05/18,374.60 = 9,973.77/x
  3. Step 3: Cross multiply
    13,323.05x = 18,374.60 × 9,973.77
  4. Step 4: Simplify right side
    13,323.05x = 183,263,984.37
  5. Step 5: Solve for x
    x = 183,263,984.37/13,323.05
  6. Step 6: Final answer
    x = 13,755.41

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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.