Home / 15,315.69-22,928.91-11,384.35

Finding the Fourth Proportional to 15,315.69, 22,928.91 and 11,384.35

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Solution

The fourth proportional to 15,315.69, 22,928.91 and 11,384.35 is: 17,043.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,315.69 : 22,928.91 = 11,384.35 : x
  2. Step 2: Convert to fraction form
    15,315.69/22,928.91 = 11,384.35/x
  3. Step 3: Cross multiply
    15,315.69x = 22,928.91 × 11,384.35
  4. Step 4: Simplify right side
    15,315.69x = 261,030,736.56
  5. Step 5: Solve for x
    x = 261,030,736.56/15,315.69
  6. Step 6: Final answer
    x = 17,043.35

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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.