Home / 15,106.24-20,852.23-12,973.21

Finding the Fourth Proportional to 15,106.24, 20,852.23 and 12,973.21

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Solution

The fourth proportional to 15,106.24, 20,852.23 and 12,973.21 is: 17,907.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,106.24 : 20,852.23 = 12,973.21 : x
  2. Step 2: Convert to fraction form
    15,106.24/20,852.23 = 12,973.21/x
  3. Step 3: Cross multiply
    15,106.24x = 20,852.23 × 12,973.21
  4. Step 4: Simplify right side
    15,106.24x = 270,520,358.76
  5. Step 5: Solve for x
    x = 270,520,358.76/15,106.24
  6. Step 6: Final answer
    x = 17,907.86

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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.