Home / 12,303.04-18,461.04-5,382.40

Finding the Fourth Proportional to 12,303.04, 18,461.04 and 5,382.40

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Solution

The fourth proportional to 12,303.04, 18,461.04 and 5,382.40 is: 8,076.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,303.04 : 18,461.04 = 5,382.40 : x
  2. Step 2: Convert to fraction form
    12,303.04/18,461.04 = 5,382.40/x
  3. Step 3: Cross multiply
    12,303.04x = 18,461.04 × 5,382.40
  4. Step 4: Simplify right side
    12,303.04x = 99,364,701.70
  5. Step 5: Solve for x
    x = 99,364,701.70/12,303.04
  6. Step 6: Final answer
    x = 8,076.43

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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.