Home / 14,408.64-21,615.36-4,545.60

Finding the Fourth Proportional to 14,408.64, 21,615.36 and 4,545.60

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Solution

The fourth proportional to 14,408.64, 21,615.36 and 4,545.60 is: 6,819.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,408.64 : 21,615.36 = 4,545.60 : x
  2. Step 2: Convert to fraction form
    14,408.64/21,615.36 = 4,545.60/x
  3. Step 3: Cross multiply
    14,408.64x = 21,615.36 × 4,545.60
  4. Step 4: Simplify right side
    14,408.64x = 98,254,780.42
  5. Step 5: Solve for x
    x = 98,254,780.42/14,408.64
  6. Step 6: Final answer
    x = 6,819.16

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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.