Home / 14,368.26-21,552.76-3,980.10

Finding the Fourth Proportional to 14,368.26, 21,552.76 and 3,980.10

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Solution

The fourth proportional to 14,368.26, 21,552.76 and 3,980.10 is: 5,970.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,368.26 : 21,552.76 = 3,980.10 : x
  2. Step 2: Convert to fraction form
    14,368.26/21,552.76 = 3,980.10/x
  3. Step 3: Cross multiply
    14,368.26x = 21,552.76 × 3,980.10
  4. Step 4: Simplify right side
    14,368.26x = 85,782,140.08
  5. Step 5: Solve for x
    x = 85,782,140.08/14,368.26
  6. Step 6: Final answer
    x = 5,970.25

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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.