Home / 10,746.65-16,119.27-6,391.82

Finding the Fourth Proportional to 10,746.65, 16,119.27 and 6,391.82

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Solution

The fourth proportional to 10,746.65, 16,119.27 and 6,391.82 is: 9,587.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,746.65 : 16,119.27 = 6,391.82 : x
  2. Step 2: Convert to fraction form
    10,746.65/16,119.27 = 6,391.82/x
  3. Step 3: Cross multiply
    10,746.65x = 16,119.27 × 6,391.82
  4. Step 4: Simplify right side
    10,746.65x = 103,031,391.78
  5. Step 5: Solve for x
    x = 103,031,391.78/10,746.65
  6. Step 6: Final answer
    x = 9,587.31

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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.