Home / 16,890.88-25,333.76-6,501.12

Finding the Fourth Proportional to 16,890.88, 25,333.76 and 6,501.12

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Solution

The fourth proportional to 16,890.88, 25,333.76 and 6,501.12 is: 9,750.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,890.88 : 25,333.76 = 6,501.12 : x
  2. Step 2: Convert to fraction form
    16,890.88/25,333.76 = 6,501.12/x
  3. Step 3: Cross multiply
    16,890.88x = 25,333.76 × 6,501.12
  4. Step 4: Simplify right side
    16,890.88x = 164,697,813.81
  5. Step 5: Solve for x
    x = 164,697,813.81/16,890.88
  6. Step 6: Final answer
    x = 9,750.69

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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.