Home / 12,328.26-18,490.57-4,535.25

Finding the Fourth Proportional to 12,328.26, 18,490.57 and 4,535.25

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Solution

The fourth proportional to 12,328.26, 18,490.57 and 4,535.25 is: 6,802.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,328.26 : 18,490.57 = 4,535.25 : x
  2. Step 2: Convert to fraction form
    12,328.26/18,490.57 = 4,535.25/x
  3. Step 3: Cross multiply
    12,328.26x = 18,490.57 × 4,535.25
  4. Step 4: Simplify right side
    12,328.26x = 83,859,346.25
  5. Step 5: Solve for x
    x = 83,859,346.25/12,328.26
  6. Step 6: Final answer
    x = 6,802.20

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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.