Home / 13,485.60-18,627.84-10,336.32

Finding the Fourth Proportional to 13,485.60, 18,627.84 and 10,336.32

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Solution

The fourth proportional to 13,485.60, 18,627.84 and 10,336.32 is: 14,277.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,485.60 : 18,627.84 = 10,336.32 : x
  2. Step 2: Convert to fraction form
    13,485.60/18,627.84 = 10,336.32/x
  3. Step 3: Cross multiply
    13,485.60x = 18,627.84 × 10,336.32
  4. Step 4: Simplify right side
    13,485.60x = 192,543,315.15
  5. Step 5: Solve for x
    x = 192,543,315.15/13,485.60
  6. Step 6: Final answer
    x = 14,277.70

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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.