Home / 16,921.08-25,381.80-4,609.08

Finding the Fourth Proportional to 16,921.08, 25,381.80 and 4,609.08

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Solution

The fourth proportional to 16,921.08, 25,381.80 and 4,609.08 is: 6,913.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,921.08 : 25,381.80 = 4,609.08 : x
  2. Step 2: Convert to fraction form
    16,921.08/25,381.80 = 4,609.08/x
  3. Step 3: Cross multiply
    16,921.08x = 25,381.80 × 4,609.08
  4. Step 4: Simplify right side
    16,921.08x = 116,986,746.74
  5. Step 5: Solve for x
    x = 116,986,746.74/16,921.08
  6. Step 6: Final answer
    x = 6,913.67

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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.