Home / 13,210.08-19,817.72-4,890.17

Finding the Fourth Proportional to 13,210.08, 19,817.72 and 4,890.17

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Solution

The fourth proportional to 13,210.08, 19,817.72 and 4,890.17 is: 7,336.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,210.08 : 19,817.72 = 4,890.17 : x
  2. Step 2: Convert to fraction form
    13,210.08/19,817.72 = 4,890.17/x
  3. Step 3: Cross multiply
    13,210.08x = 19,817.72 × 4,890.17
  4. Step 4: Simplify right side
    13,210.08x = 96,911,896.27
  5. Step 5: Solve for x
    x = 96,911,896.27/13,210.08
  6. Step 6: Final answer
    x = 7,336.21

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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.