Home / 9,880.93-14,818.40-5,198.36

Finding the Fourth Proportional to 9,880.93, 14,818.40 and 5,198.36

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Solution

The fourth proportional to 9,880.93, 14,818.40 and 5,198.36 is: 7,795.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,880.93 : 14,818.40 = 5,198.36 : x
  2. Step 2: Convert to fraction form
    9,880.93/14,818.40 = 5,198.36/x
  3. Step 3: Cross multiply
    9,880.93x = 14,818.40 × 5,198.36
  4. Step 4: Simplify right side
    9,880.93x = 77,031,277.74
  5. Step 5: Solve for x
    x = 77,031,277.74/9,880.93
  6. Step 6: Final answer
    x = 7,795.96

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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.