Home / 10,726.40-16,089.60-6,579.20

Finding the Fourth Proportional to 10,726.40, 16,089.60 and 6,579.20

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Solution

The fourth proportional to 10,726.40, 16,089.60 and 6,579.20 is: 9,868.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,726.40 : 16,089.60 = 6,579.20 : x
  2. Step 2: Convert to fraction form
    10,726.40/16,089.60 = 6,579.20/x
  3. Step 3: Cross multiply
    10,726.40x = 16,089.60 × 6,579.20
  4. Step 4: Simplify right side
    10,726.40x = 105,856,696.32
  5. Step 5: Solve for x
    x = 105,856,696.32/10,726.40
  6. Step 6: Final answer
    x = 9,868.80

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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.