Home / 19,182.19-28,725.06-12,140.93

Finding the Fourth Proportional to 19,182.19, 28,725.06 and 12,140.93

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Solution

The fourth proportional to 19,182.19, 28,725.06 and 12,140.93 is: 18,180.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,182.19 : 28,725.06 = 12,140.93 : x
  2. Step 2: Convert to fraction form
    19,182.19/28,725.06 = 12,140.93/x
  3. Step 3: Cross multiply
    19,182.19x = 28,725.06 × 12,140.93
  4. Step 4: Simplify right side
    19,182.19x = 348,748,942.71
  5. Step 5: Solve for x
    x = 348,748,942.71/19,182.19
  6. Step 6: Final answer
    x = 18,180.87

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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.