Home / 14,017.52-21,023.40-6,618.80

Finding the Fourth Proportional to 14,017.52, 21,023.40 and 6,618.80

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Solution

The fourth proportional to 14,017.52, 21,023.40 and 6,618.80 is: 9,926.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,017.52 : 21,023.40 = 6,618.80 : x
  2. Step 2: Convert to fraction form
    14,017.52/21,023.40 = 6,618.80/x
  3. Step 3: Cross multiply
    14,017.52x = 21,023.40 × 6,618.80
  4. Step 4: Simplify right side
    14,017.52x = 139,149,679.92
  5. Step 5: Solve for x
    x = 139,149,679.92/14,017.52
  6. Step 6: Final answer
    x = 9,926.84

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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.