Home / 14,942.99-20,623.32-9,653.20

Finding the Fourth Proportional to 14,942.99, 20,623.32 and 9,653.20

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Solution

The fourth proportional to 14,942.99, 20,623.32 and 9,653.20 is: 13,322.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,942.99 : 20,623.32 = 9,653.20 : x
  2. Step 2: Convert to fraction form
    14,942.99/20,623.32 = 9,653.20/x
  3. Step 3: Cross multiply
    14,942.99x = 20,623.32 × 9,653.20
  4. Step 4: Simplify right side
    14,942.99x = 199,080,981.07
  5. Step 5: Solve for x
    x = 199,080,981.07/14,942.99
  6. Step 6: Final answer
    x = 13,322.70

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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.