Home / 15,548.69-23,290.94-8,130.71

Finding the Fourth Proportional to 15,548.69, 23,290.94 and 8,130.71

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Solution

The fourth proportional to 15,548.69, 23,290.94 and 8,130.71 is: 12,179.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,548.69 : 23,290.94 = 8,130.71 : x
  2. Step 2: Convert to fraction form
    15,548.69/23,290.94 = 8,130.71/x
  3. Step 3: Cross multiply
    15,548.69x = 23,290.94 × 8,130.71
  4. Step 4: Simplify right side
    15,548.69x = 189,371,957.32
  5. Step 5: Solve for x
    x = 189,371,957.32/15,548.69
  6. Step 6: Final answer
    x = 12,179.28

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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.