Home / 12,065.28-16,649.33-7,029.31

Finding the Fourth Proportional to 12,065.28, 16,649.33 and 7,029.31

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Solution

The fourth proportional to 12,065.28, 16,649.33 and 7,029.31 is: 9,700.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,065.28 : 16,649.33 = 7,029.31 : x
  2. Step 2: Convert to fraction form
    12,065.28/16,649.33 = 7,029.31/x
  3. Step 3: Cross multiply
    12,065.28x = 16,649.33 × 7,029.31
  4. Step 4: Simplify right side
    12,065.28x = 117,033,319.44
  5. Step 5: Solve for x
    x = 117,033,319.44/12,065.28
  6. Step 6: Final answer
    x = 9,700.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.