Home / 16,901.60-25,352.40-4,421.60

Finding the Fourth Proportional to 16,901.60, 25,352.40 and 4,421.60

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Solution

The fourth proportional to 16,901.60, 25,352.40 and 4,421.60 is: 6,632.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,901.60 : 25,352.40 = 4,421.60 : x
  2. Step 2: Convert to fraction form
    16,901.60/25,352.40 = 4,421.60/x
  3. Step 3: Cross multiply
    16,901.60x = 25,352.40 × 4,421.60
  4. Step 4: Simplify right side
    16,901.60x = 112,098,171.84
  5. Step 5: Solve for x
    x = 112,098,171.84/16,901.60
  6. Step 6: Final answer
    x = 6,632.40

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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.