Home / 13,734.32-18,951.08-8,068.64

Finding the Fourth Proportional to 13,734.32, 18,951.08 and 8,068.64

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Solution

The fourth proportional to 13,734.32, 18,951.08 and 8,068.64 is: 11,133.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,734.32 : 18,951.08 = 8,068.64 : x
  2. Step 2: Convert to fraction form
    13,734.32/18,951.08 = 8,068.64/x
  3. Step 3: Cross multiply
    13,734.32x = 18,951.08 × 8,068.64
  4. Step 4: Simplify right side
    13,734.32x = 152,909,307.03
  5. Step 5: Solve for x
    x = 152,909,307.03/13,734.32
  6. Step 6: Final answer
    x = 11,133.38

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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.