Home / 12,700.26-19,054.28-5,686.18

Finding the Fourth Proportional to 12,700.26, 19,054.28 and 5,686.18

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Solution

The fourth proportional to 12,700.26, 19,054.28 and 5,686.18 is: 8,531.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,700.26 : 19,054.28 = 5,686.18 : x
  2. Step 2: Convert to fraction form
    12,700.26/19,054.28 = 5,686.18/x
  3. Step 3: Cross multiply
    12,700.26x = 19,054.28 × 5,686.18
  4. Step 4: Simplify right side
    12,700.26x = 108,346,065.85
  5. Step 5: Solve for x
    x = 108,346,065.85/12,700.26
  6. Step 6: Final answer
    x = 8,531.01

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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.