Home / 15,426.28-21,274.02-11,582.60

Finding the Fourth Proportional to 15,426.28, 21,274.02 and 11,582.60

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Solution

The fourth proportional to 15,426.28, 21,274.02 and 11,582.60 is: 15,973.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,426.28 : 21,274.02 = 11,582.60 : x
  2. Step 2: Convert to fraction form
    15,426.28/21,274.02 = 11,582.60/x
  3. Step 3: Cross multiply
    15,426.28x = 21,274.02 × 11,582.60
  4. Step 4: Simplify right side
    15,426.28x = 246,408,464.05
  5. Step 5: Solve for x
    x = 246,408,464.05/15,426.28
  6. Step 6: Final answer
    x = 15,973.29

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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.