Home / 16,905.42-25,359.66-4,425.40

Finding the Fourth Proportional to 16,905.42, 25,359.66 and 4,425.40

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Solution

The fourth proportional to 16,905.42, 25,359.66 and 4,425.40 is: 6,638.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,905.42 : 25,359.66 = 4,425.40 : x
  2. Step 2: Convert to fraction form
    16,905.42/25,359.66 = 4,425.40/x
  3. Step 3: Cross multiply
    16,905.42x = 25,359.66 × 4,425.40
  4. Step 4: Simplify right side
    16,905.42x = 112,226,639.36
  5. Step 5: Solve for x
    x = 112,226,639.36/16,905.42
  6. Step 6: Final answer
    x = 6,638.50

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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.