Home / 19,284.10-26,612.40-10,900.60

Finding the Fourth Proportional to 19,284.10, 26,612.40 and 10,900.60

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Solution

The fourth proportional to 19,284.10, 26,612.40 and 10,900.60 is: 15,043.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,284.10 : 26,612.40 = 10,900.60 : x
  2. Step 2: Convert to fraction form
    19,284.10/26,612.40 = 10,900.60/x
  3. Step 3: Cross multiply
    19,284.10x = 26,612.40 × 10,900.60
  4. Step 4: Simplify right side
    19,284.10x = 290,091,127.44
  5. Step 5: Solve for x
    x = 290,091,127.44/19,284.10
  6. Step 6: Final answer
    x = 15,043.02

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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.