Home / 13,206.26-18,228.02-8,964.42

Finding the Fourth Proportional to 13,206.26, 18,228.02 and 8,964.42

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Solution

The fourth proportional to 13,206.26, 18,228.02 and 8,964.42 is: 12,373.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,206.26 : 18,228.02 = 8,964.42 : x
  2. Step 2: Convert to fraction form
    13,206.26/18,228.02 = 8,964.42/x
  3. Step 3: Cross multiply
    13,206.26x = 18,228.02 × 8,964.42
  4. Step 4: Simplify right side
    13,206.26x = 163,403,582.23
  5. Step 5: Solve for x
    x = 163,403,582.23/13,206.26
  6. Step 6: Final answer
    x = 12,373.20

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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.