Home / 14,291.68-21,440.60-4,430.76

Finding the Fourth Proportional to 14,291.68, 21,440.60 and 4,430.76

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Solution

The fourth proportional to 14,291.68, 21,440.60 and 4,430.76 is: 6,647.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,291.68 : 21,440.60 = 4,430.76 : x
  2. Step 2: Convert to fraction form
    14,291.68/21,440.60 = 4,430.76/x
  3. Step 3: Cross multiply
    14,291.68x = 21,440.60 × 4,430.76
  4. Step 4: Simplify right side
    14,291.68x = 94,998,152.86
  5. Step 5: Solve for x
    x = 94,998,152.86/14,291.68
  6. Step 6: Final answer
    x = 6,647.09

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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.