Home / 11,929.28-16,461.63-6,551.80

Finding the Fourth Proportional to 11,929.28, 16,461.63 and 6,551.80

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Solution

The fourth proportional to 11,929.28, 16,461.63 and 6,551.80 is: 9,041.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,929.28 : 16,461.63 = 6,551.80 : x
  2. Step 2: Convert to fraction form
    11,929.28/16,461.63 = 6,551.80/x
  3. Step 3: Cross multiply
    11,929.28x = 16,461.63 × 6,551.80
  4. Step 4: Simplify right side
    11,929.28x = 107,853,358.88
  5. Step 5: Solve for x
    x = 107,853,358.88/11,929.28
  6. Step 6: Final answer
    x = 9,041.07

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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.