Home / 15,569.70-21,504.06-11,339.61

Finding the Fourth Proportional to 15,569.70, 21,504.06 and 11,339.61

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Solution

The fourth proportional to 15,569.70, 21,504.06 and 11,339.61 is: 15,661.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,569.70 : 21,504.06 = 11,339.61 : x
  2. Step 2: Convert to fraction form
    15,569.70/21,504.06 = 11,339.61/x
  3. Step 3: Cross multiply
    15,569.70x = 21,504.06 × 11,339.61
  4. Step 4: Simplify right side
    15,569.70x = 243,847,653.82
  5. Step 5: Solve for x
    x = 243,847,653.82/15,569.70
  6. Step 6: Final answer
    x = 15,661.68

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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.