Home / 16,947.40-25,412.43-9,929.67

Finding the Fourth Proportional to 16,947.40, 25,412.43 and 9,929.67

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Solution

The fourth proportional to 16,947.40, 25,412.43 and 9,929.67 is: 14,889.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,947.40 : 25,412.43 = 9,929.67 : x
  2. Step 2: Convert to fraction form
    16,947.40/25,412.43 = 9,929.67/x
  3. Step 3: Cross multiply
    16,947.40x = 25,412.43 × 9,929.67
  4. Step 4: Simplify right side
    16,947.40x = 252,337,043.80
  5. Step 5: Solve for x
    x = 252,337,043.80/16,947.40
  6. Step 6: Final answer
    x = 14,889.43

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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.