Home / 19,146.71-28,720.08-6,000.12

Finding the Fourth Proportional to 19,146.71, 28,720.08 and 6,000.12

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Solution

The fourth proportional to 19,146.71, 28,720.08 and 6,000.12 is: 9,000.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,146.71 : 28,720.08 = 6,000.12 : x
  2. Step 2: Convert to fraction form
    19,146.71/28,720.08 = 6,000.12/x
  3. Step 3: Cross multiply
    19,146.71x = 28,720.08 × 6,000.12
  4. Step 4: Simplify right side
    19,146.71x = 172,323,926.41
  5. Step 5: Solve for x
    x = 172,323,926.41/19,146.71
  6. Step 6: Final answer
    x = 9,000.18

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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.