Home / 16,579.47-22,880.04-9,409.86

Finding the Fourth Proportional to 16,579.47, 22,880.04 and 9,409.86

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Solution

The fourth proportional to 16,579.47, 22,880.04 and 9,409.86 is: 12,985.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,579.47 : 22,880.04 = 9,409.86 : x
  2. Step 2: Convert to fraction form
    16,579.47/22,880.04 = 9,409.86/x
  3. Step 3: Cross multiply
    16,579.47x = 22,880.04 × 9,409.86
  4. Step 4: Simplify right side
    16,579.47x = 215,297,973.19
  5. Step 5: Solve for x
    x = 215,297,973.19/16,579.47
  6. Step 6: Final answer
    x = 12,985.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.