Home / 15,370.94-21,212.93-8,566.02

Finding the Fourth Proportional to 15,370.94, 21,212.93 and 8,566.02

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Solution

The fourth proportional to 15,370.94, 21,212.93 and 8,566.02 is: 11,821.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,370.94 : 21,212.93 = 8,566.02 : x
  2. Step 2: Convert to fraction form
    15,370.94/21,212.93 = 8,566.02/x
  3. Step 3: Cross multiply
    15,370.94x = 21,212.93 × 8,566.02
  4. Step 4: Simplify right side
    15,370.94x = 181,710,404.05
  5. Step 5: Solve for x
    x = 181,710,404.05/15,370.94
  6. Step 6: Final answer
    x = 11,821.68

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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.