Home / 19,411.81-29,069.91-11,071.24

Finding the Fourth Proportional to 19,411.81, 29,069.91 and 11,071.24

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Solution

The fourth proportional to 19,411.81, 29,069.91 and 11,071.24 is: 16,579.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,411.81 : 29,069.91 = 11,071.24 : x
  2. Step 2: Convert to fraction form
    19,411.81/29,069.91 = 11,071.24/x
  3. Step 3: Cross multiply
    19,411.81x = 29,069.91 × 11,071.24
  4. Step 4: Simplify right side
    19,411.81x = 321,839,950.39
  5. Step 5: Solve for x
    x = 321,839,950.39/19,411.81
  6. Step 6: Final answer
    x = 16,579.60

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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.