Home / 15,883.74-21,916.62-10,291.50

Finding the Fourth Proportional to 15,883.74, 21,916.62 and 10,291.50

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Solution

The fourth proportional to 15,883.74, 21,916.62 and 10,291.50 is: 14,200.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,883.74 : 21,916.62 = 10,291.50 : x
  2. Step 2: Convert to fraction form
    15,883.74/21,916.62 = 10,291.50/x
  3. Step 3: Cross multiply
    15,883.74x = 21,916.62 × 10,291.50
  4. Step 4: Simplify right side
    15,883.74x = 225,554,894.73
  5. Step 5: Solve for x
    x = 225,554,894.73/15,883.74
  6. Step 6: Final answer
    x = 14,200.36

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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.