Home / 15,791.01-23,677.80-6,428.63

Finding the Fourth Proportional to 15,791.01, 23,677.80 and 6,428.63

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Solution

The fourth proportional to 15,791.01, 23,677.80 and 6,428.63 is: 9,639.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,791.01 : 23,677.80 = 6,428.63 : x
  2. Step 2: Convert to fraction form
    15,791.01/23,677.80 = 6,428.63/x
  3. Step 3: Cross multiply
    15,791.01x = 23,677.80 × 6,428.63
  4. Step 4: Simplify right side
    15,791.01x = 152,215,815.41
  5. Step 5: Solve for x
    x = 152,215,815.41/15,791.01
  6. Step 6: Final answer
    x = 9,639.40

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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.