Home / 15,823.61-21,846.05-9,863.35

Finding the Fourth Proportional to 15,823.61, 21,846.05 and 9,863.35

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Solution

The fourth proportional to 15,823.61, 21,846.05 and 9,863.35 is: 13,617.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,823.61 : 21,846.05 = 9,863.35 : x
  2. Step 2: Convert to fraction form
    15,823.61/21,846.05 = 9,863.35/x
  3. Step 3: Cross multiply
    15,823.61x = 21,846.05 × 9,863.35
  4. Step 4: Simplify right side
    15,823.61x = 215,475,237.27
  5. Step 5: Solve for x
    x = 215,475,237.27/15,823.61
  6. Step 6: Final answer
    x = 13,617.33

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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.