Home / 14,022.56-21,030.60-4,159.52

Finding the Fourth Proportional to 14,022.56, 21,030.60 and 4,159.52

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Solution

The fourth proportional to 14,022.56, 21,030.60 and 4,159.52 is: 6,238.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,022.56 : 21,030.60 = 4,159.52 : x
  2. Step 2: Convert to fraction form
    14,022.56/21,030.60 = 4,159.52/x
  3. Step 3: Cross multiply
    14,022.56x = 21,030.60 × 4,159.52
  4. Step 4: Simplify right side
    14,022.56x = 87,477,201.31
  5. Step 5: Solve for x
    x = 87,477,201.31/14,022.56
  6. Step 6: Final answer
    x = 6,238.32

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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.