Home / 14,419.89-21,630.69-4,031.64

Finding the Fourth Proportional to 14,419.89, 21,630.69 and 4,031.64

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Solution

The fourth proportional to 14,419.89, 21,630.69 and 4,031.64 is: 6,047.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,419.89 : 21,630.69 = 4,031.64 : x
  2. Step 2: Convert to fraction form
    14,419.89/21,630.69 = 4,031.64/x
  3. Step 3: Cross multiply
    14,419.89x = 21,630.69 × 4,031.64
  4. Step 4: Simplify right side
    14,419.89x = 87,207,155.03
  5. Step 5: Solve for x
    x = 87,207,155.03/14,419.89
  6. Step 6: Final answer
    x = 6,047.70

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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.