Home / 10,362.08-14,295.40-7,220.09

Finding the Fourth Proportional to 10,362.08, 14,295.40 and 7,220.09

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Solution

The fourth proportional to 10,362.08, 14,295.40 and 7,220.09 is: 9,960.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,362.08 : 14,295.40 = 7,220.09 : x
  2. Step 2: Convert to fraction form
    10,362.08/14,295.40 = 7,220.09/x
  3. Step 3: Cross multiply
    10,362.08x = 14,295.40 × 7,220.09
  4. Step 4: Simplify right side
    10,362.08x = 103,214,074.59
  5. Step 5: Solve for x
    x = 103,214,074.59/10,362.08
  6. Step 6: Final answer
    x = 9,960.75

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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.