Home / 19,415.04-26,788.60-12,338.88

Finding the Fourth Proportional to 19,415.04, 26,788.60 and 12,338.88

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Solution

The fourth proportional to 19,415.04, 26,788.60 and 12,338.88 is: 17,025.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,415.04 : 26,788.60 = 12,338.88 : x
  2. Step 2: Convert to fraction form
    19,415.04/26,788.60 = 12,338.88/x
  3. Step 3: Cross multiply
    19,415.04x = 26,788.60 × 12,338.88
  4. Step 4: Simplify right side
    19,415.04x = 330,541,320.77
  5. Step 5: Solve for x
    x = 330,541,320.77/19,415.04
  6. Step 6: Final answer
    x = 17,025.01

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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.