Home / 15,032.63-20,730.84-11,212.70

Finding the Fourth Proportional to 15,032.63, 20,730.84 and 11,212.70

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Solution

The fourth proportional to 15,032.63, 20,730.84 and 11,212.70 is: 15,462.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,032.63 : 20,730.84 = 11,212.70 : x
  2. Step 2: Convert to fraction form
    15,032.63/20,730.84 = 11,212.70/x
  3. Step 3: Cross multiply
    15,032.63x = 20,730.84 × 11,212.70
  4. Step 4: Simplify right side
    15,032.63x = 232,448,586.01
  5. Step 5: Solve for x
    x = 232,448,586.01/15,032.63
  6. Step 6: Final answer
    x = 15,462.93

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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.