Home / 12,785.04-19,147.14-8,088.84

Finding the Fourth Proportional to 12,785.04, 19,147.14 and 8,088.84

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Solution

The fourth proportional to 12,785.04, 19,147.14 and 8,088.84 is: 12,114.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,785.04 : 19,147.14 = 8,088.84 : x
  2. Step 2: Convert to fraction form
    12,785.04/19,147.14 = 8,088.84/x
  3. Step 3: Cross multiply
    12,785.04x = 19,147.14 × 8,088.84
  4. Step 4: Simplify right side
    12,785.04x = 154,878,151.92
  5. Step 5: Solve for x
    x = 154,878,151.92/12,785.04
  6. Step 6: Final answer
    x = 12,114.01

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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.