Home / 16,782.84-25,170.36-7,417.76

Finding the Fourth Proportional to 16,782.84, 25,170.36 and 7,417.76

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Solution

The fourth proportional to 16,782.84, 25,170.36 and 7,417.76 is: 11,124.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,782.84 : 25,170.36 = 7,417.76 : x
  2. Step 2: Convert to fraction form
    16,782.84/25,170.36 = 7,417.76/x
  3. Step 3: Cross multiply
    16,782.84x = 25,170.36 × 7,417.76
  4. Step 4: Simplify right side
    16,782.84x = 186,707,563.74
  5. Step 5: Solve for x
    x = 186,707,563.74/16,782.84
  6. Step 6: Final answer
    x = 11,124.91

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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.