Home / 13,242.60-18,295.74-12,192.84

Finding the Fourth Proportional to 13,242.60, 18,295.74 and 12,192.84

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Solution

The fourth proportional to 13,242.60, 18,295.74 and 12,192.84 is: 16,845.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,242.60 : 18,295.74 = 12,192.84 : x
  2. Step 2: Convert to fraction form
    13,242.60/18,295.74 = 12,192.84/x
  3. Step 3: Cross multiply
    13,242.60x = 18,295.74 × 12,192.84
  4. Step 4: Simplify right side
    13,242.60x = 223,077,030.50
  5. Step 5: Solve for x
    x = 223,077,030.50/13,242.60
  6. Step 6: Final answer
    x = 16,845.41

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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.