Home / 13,714.80-18,926.76-7,746.60

Finding the Fourth Proportional to 13,714.80, 18,926.76 and 7,746.60

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Solution

The fourth proportional to 13,714.80, 18,926.76 and 7,746.60 is: 10,690.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,714.80 : 18,926.76 = 7,746.60 : x
  2. Step 2: Convert to fraction form
    13,714.80/18,926.76 = 7,746.60/x
  3. Step 3: Cross multiply
    13,714.80x = 18,926.76 × 7,746.60
  4. Step 4: Simplify right side
    13,714.80x = 146,618,039.02
  5. Step 5: Solve for x
    x = 146,618,039.02/13,714.80
  6. Step 6: Final answer
    x = 10,690.50

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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.