Home / 19,150.68-28,726.08-12,560.52

Finding the Fourth Proportional to 19,150.68, 28,726.08 and 12,560.52

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Solution

The fourth proportional to 19,150.68, 28,726.08 and 12,560.52 is: 18,840.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,150.68 : 28,726.08 = 12,560.52 : x
  2. Step 2: Convert to fraction form
    19,150.68/28,726.08 = 12,560.52/x
  3. Step 3: Cross multiply
    19,150.68x = 28,726.08 × 12,560.52
  4. Step 4: Simplify right side
    19,150.68x = 360,814,502.36
  5. Step 5: Solve for x
    x = 360,814,502.36/19,150.68
  6. Step 6: Final answer
    x = 18,840.82

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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.