Home / 13,045.04-19,568.38-3,685.78

Finding the Fourth Proportional to 13,045.04, 19,568.38 and 3,685.78

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Solution

The fourth proportional to 13,045.04, 19,568.38 and 3,685.78 is: 5,528.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,045.04 : 19,568.38 = 3,685.78 : x
  2. Step 2: Convert to fraction form
    13,045.04/19,568.38 = 3,685.78/x
  3. Step 3: Cross multiply
    13,045.04x = 19,568.38 × 3,685.78
  4. Step 4: Simplify right side
    13,045.04x = 72,124,700.39
  5. Step 5: Solve for x
    x = 72,124,700.39/13,045.04
  6. Step 6: Final answer
    x = 5,528.90

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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.