Home / 13,210.24-19,817.94-4,890.32

Finding the Fourth Proportional to 13,210.24, 19,817.94 and 4,890.32

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Solution

The fourth proportional to 13,210.24, 19,817.94 and 4,890.32 is: 7,336.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,210.24 : 19,817.94 = 4,890.32 : x
  2. Step 2: Convert to fraction form
    13,210.24/19,817.94 = 4,890.32/x
  3. Step 3: Cross multiply
    13,210.24x = 19,817.94 × 4,890.32
  4. Step 4: Simplify right side
    13,210.24x = 96,916,068.34
  5. Step 5: Solve for x
    x = 96,916,068.34/13,210.24
  6. Step 6: Final answer
    x = 7,336.44

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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.