Home / 18,336.08-25,309.80-10,782.04

Finding the Fourth Proportional to 18,336.08, 25,309.80 and 10,782.04

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Solution

The fourth proportional to 18,336.08, 25,309.80 and 10,782.04 is: 14,882.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,336.08 : 25,309.80 = 10,782.04 : x
  2. Step 2: Convert to fraction form
    18,336.08/25,309.80 = 10,782.04/x
  3. Step 3: Cross multiply
    18,336.08x = 25,309.80 × 10,782.04
  4. Step 4: Simplify right side
    18,336.08x = 272,891,275.99
  5. Step 5: Solve for x
    x = 272,891,275.99/18,336.08
  6. Step 6: Final answer
    x = 14,882.75

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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.