Home / 15,038.09-20,752.04-8,323.73

Finding the Fourth Proportional to 15,038.09, 20,752.04 and 8,323.73

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Solution

The fourth proportional to 15,038.09, 20,752.04 and 8,323.73 is: 11,486.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,038.09 : 20,752.04 = 8,323.73 : x
  2. Step 2: Convert to fraction form
    15,038.09/20,752.04 = 8,323.73/x
  3. Step 3: Cross multiply
    15,038.09x = 20,752.04 × 8,323.73
  4. Step 4: Simplify right side
    15,038.09x = 172,734,336.29
  5. Step 5: Solve for x
    x = 172,734,336.29/15,038.09
  6. Step 6: Final answer
    x = 11,486.45

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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.