Home / 11,376.49-15,698.91-6,271.84

Finding the Fourth Proportional to 11,376.49, 15,698.91 and 6,271.84

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Solution

The fourth proportional to 11,376.49, 15,698.91 and 6,271.84 is: 8,654.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,376.49 : 15,698.91 = 6,271.84 : x
  2. Step 2: Convert to fraction form
    11,376.49/15,698.91 = 6,271.84/x
  3. Step 3: Cross multiply
    11,376.49x = 15,698.91 × 6,271.84
  4. Step 4: Simplify right side
    11,376.49x = 98,461,051.69
  5. Step 5: Solve for x
    x = 98,461,051.69/11,376.49
  6. Step 6: Final answer
    x = 8,654.78

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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.