Home / 12,254.04-18,384.30-6,409.08

Finding the Fourth Proportional to 12,254.04, 18,384.30 and 6,409.08

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Solution

The fourth proportional to 12,254.04, 18,384.30 and 6,409.08 is: 9,615.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,254.04 : 18,384.30 = 6,409.08 : x
  2. Step 2: Convert to fraction form
    12,254.04/18,384.30 = 6,409.08/x
  3. Step 3: Cross multiply
    12,254.04x = 18,384.30 × 6,409.08
  4. Step 4: Simplify right side
    12,254.04x = 117,826,449.44
  5. Step 5: Solve for x
    x = 117,826,449.44/12,254.04
  6. Step 6: Final answer
    x = 9,615.31

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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.