Home / 12,209.04-18,314.27-4,712.63

Finding the Fourth Proportional to 12,209.04, 18,314.27 and 4,712.63

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Solution

The fourth proportional to 12,209.04, 18,314.27 and 4,712.63 is: 7,069.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,209.04 : 18,314.27 = 4,712.63 : x
  2. Step 2: Convert to fraction form
    12,209.04/18,314.27 = 4,712.63/x
  3. Step 3: Cross multiply
    12,209.04x = 18,314.27 × 4,712.63
  4. Step 4: Simplify right side
    12,209.04x = 86,308,263.10
  5. Step 5: Solve for x
    x = 86,308,263.10/12,209.04
  6. Step 6: Final answer
    x = 7,069.21

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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.