Home / 14,518.93-21,785.70-10,828.57

Finding the Fourth Proportional to 14,518.93, 21,785.70 and 10,828.57

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Solution

The fourth proportional to 14,518.93, 21,785.70 and 10,828.57 is: 16,248.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,518.93 : 21,785.70 = 10,828.57 : x
  2. Step 2: Convert to fraction form
    14,518.93/21,785.70 = 10,828.57/x
  3. Step 3: Cross multiply
    14,518.93x = 21,785.70 × 10,828.57
  4. Step 4: Simplify right side
    14,518.93x = 235,907,977.45
  5. Step 5: Solve for x
    x = 235,907,977.45/14,518.93
  6. Step 6: Final answer
    x = 16,248.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.