Home / 15,730.84-23,621.34-9,161.80

Finding the Fourth Proportional to 15,730.84, 23,621.34 and 9,161.80

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Solution

The fourth proportional to 15,730.84, 23,621.34 and 9,161.80 is: 13,757.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,730.84 : 23,621.34 = 9,161.80 : x
  2. Step 2: Convert to fraction form
    15,730.84/23,621.34 = 9,161.80/x
  3. Step 3: Cross multiply
    15,730.84x = 23,621.34 × 9,161.80
  4. Step 4: Simplify right side
    15,730.84x = 216,413,992.81
  5. Step 5: Solve for x
    x = 216,413,992.81/15,730.84
  6. Step 6: Final answer
    x = 13,757.31

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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.