Home / 14,408.60-21,612.08-4,020.36

Finding the Fourth Proportional to 14,408.60, 21,612.08 and 4,020.36

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Solution

The fourth proportional to 14,408.60, 21,612.08 and 4,020.36 is: 6,030.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,408.60 : 21,612.08 = 4,020.36 : x
  2. Step 2: Convert to fraction form
    14,408.60/21,612.08 = 4,020.36/x
  3. Step 3: Cross multiply
    14,408.60x = 21,612.08 × 4,020.36
  4. Step 4: Simplify right side
    14,408.60x = 86,888,341.95
  5. Step 5: Solve for x
    x = 86,888,341.95/14,408.60
  6. Step 6: Final answer
    x = 6,030.31

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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.