Home / 13,124.45-19,698.05-6,888.87

Finding the Fourth Proportional to 13,124.45, 19,698.05 and 6,888.87

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Solution

The fourth proportional to 13,124.45, 19,698.05 and 6,888.87 is: 10,339.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,124.45 : 19,698.05 = 6,888.87 : x
  2. Step 2: Convert to fraction form
    13,124.45/19,698.05 = 6,888.87/x
  3. Step 3: Cross multiply
    13,124.45x = 19,698.05 × 6,888.87
  4. Step 4: Simplify right side
    13,124.45x = 135,697,322.93
  5. Step 5: Solve for x
    x = 135,697,322.93/13,124.45
  6. Step 6: Final answer
    x = 10,339.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.