Home / 12,707.08-19,066.08-6,138.18

Finding the Fourth Proportional to 12,707.08, 19,066.08 and 6,138.18

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Solution

The fourth proportional to 12,707.08, 19,066.08 and 6,138.18 is: 9,209.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,707.08 : 19,066.08 = 6,138.18 : x
  2. Step 2: Convert to fraction form
    12,707.08/19,066.08 = 6,138.18/x
  3. Step 3: Cross multiply
    12,707.08x = 19,066.08 × 6,138.18
  4. Step 4: Simplify right side
    12,707.08x = 117,031,030.93
  5. Step 5: Solve for x
    x = 117,031,030.93/12,707.08
  6. Step 6: Final answer
    x = 9,209.91

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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.