Home / 12,380.04-18,570.06-4,589.46

Finding the Fourth Proportional to 12,380.04, 18,570.06 and 4,589.46

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Solution

The fourth proportional to 12,380.04, 18,570.06 and 4,589.46 is: 6,884.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,380.04 : 18,570.06 = 4,589.46 : x
  2. Step 2: Convert to fraction form
    12,380.04/18,570.06 = 4,589.46/x
  3. Step 3: Cross multiply
    12,380.04x = 18,570.06 × 4,589.46
  4. Step 4: Simplify right side
    12,380.04x = 85,226,547.57
  5. Step 5: Solve for x
    x = 85,226,547.57/12,380.04
  6. Step 6: Final answer
    x = 6,884.19

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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.