Home / 16,945.28-25,417.71-6,947.79

Finding the Fourth Proportional to 16,945.28, 25,417.71 and 6,947.79

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Solution

The fourth proportional to 16,945.28, 25,417.71 and 6,947.79 is: 10,421.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,945.28 : 25,417.71 = 6,947.79 : x
  2. Step 2: Convert to fraction form
    16,945.28/25,417.71 = 6,947.79/x
  3. Step 3: Cross multiply
    16,945.28x = 25,417.71 × 6,947.79
  4. Step 4: Simplify right side
    16,945.28x = 176,596,911.36
  5. Step 5: Solve for x
    x = 176,596,911.36/16,945.28
  6. Step 6: Final answer
    x = 10,421.60

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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.