Home / 12,209.02-18,313.10-5,184.52

Finding the Fourth Proportional to 12,209.02, 18,313.10 and 5,184.52

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Solution

The fourth proportional to 12,209.02, 18,313.10 and 5,184.52 is: 7,776.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,209.02 : 18,313.10 = 5,184.52 : x
  2. Step 2: Convert to fraction form
    12,209.02/18,313.10 = 5,184.52/x
  3. Step 3: Cross multiply
    12,209.02x = 18,313.10 × 5,184.52
  4. Step 4: Simplify right side
    12,209.02x = 94,944,633.21
  5. Step 5: Solve for x
    x = 94,944,633.21/12,209.02
  6. Step 6: Final answer
    x = 7,776.60

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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.