Home / 16,890.64-25,348.92-7,038.16

Finding the Fourth Proportional to 16,890.64, 25,348.92 and 7,038.16

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Solution

The fourth proportional to 16,890.64, 25,348.92 and 7,038.16 is: 10,562.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,890.64 : 25,348.92 = 7,038.16 : x
  2. Step 2: Convert to fraction form
    16,890.64/25,348.92 = 7,038.16/x
  3. Step 3: Cross multiply
    16,890.64x = 25,348.92 × 7,038.16
  4. Step 4: Simplify right side
    16,890.64x = 178,409,754.79
  5. Step 5: Solve for x
    x = 178,409,754.79/16,890.64
  6. Step 6: Final answer
    x = 10,562.64

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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.