Home / 15,823.26-21,835.34-8,653.56

Finding the Fourth Proportional to 15,823.26, 21,835.34 and 8,653.56

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Solution

The fourth proportional to 15,823.26, 21,835.34 and 8,653.56 is: 11,941.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,823.26 : 21,835.34 = 8,653.56 : x
  2. Step 2: Convert to fraction form
    15,823.26/21,835.34 = 8,653.56/x
  3. Step 3: Cross multiply
    15,823.26x = 21,835.34 × 8,653.56
  4. Step 4: Simplify right side
    15,823.26x = 188,953,424.81
  5. Step 5: Solve for x
    x = 188,953,424.81/15,823.26
  6. Step 6: Final answer
    x = 11,941.50

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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.