Home / 16,430.24-22,672.88-9,356.64

Finding the Fourth Proportional to 16,430.24, 22,672.88 and 9,356.64

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Solution

The fourth proportional to 16,430.24, 22,672.88 and 9,356.64 is: 12,911.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,430.24 : 22,672.88 = 9,356.64 : x
  2. Step 2: Convert to fraction form
    16,430.24/22,672.88 = 9,356.64/x
  3. Step 3: Cross multiply
    16,430.24x = 22,672.88 × 9,356.64
  4. Step 4: Simplify right side
    16,430.24x = 212,141,975.92
  5. Step 5: Solve for x
    x = 212,141,975.92/16,430.24
  6. Step 6: Final answer
    x = 12,911.68

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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.