Home / 20,283.61-30,428.29-6,244.80

Finding the Fourth Proportional to 20,283.61, 30,428.29 and 6,244.80

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Solution

The fourth proportional to 20,283.61, 30,428.29 and 6,244.80 is: 9,368.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,283.61 : 30,428.29 = 6,244.80 : x
  2. Step 2: Convert to fraction form
    20,283.61/30,428.29 = 6,244.80/x
  3. Step 3: Cross multiply
    20,283.61x = 30,428.29 × 6,244.80
  4. Step 4: Simplify right side
    20,283.61x = 190,018,585.39
  5. Step 5: Solve for x
    x = 190,018,585.39/20,283.61
  6. Step 6: Final answer
    x = 9,368.09

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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.