Home / 18,315.48-25,275.96-11,946.24

Finding the Fourth Proportional to 18,315.48, 25,275.96 and 11,946.24

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Solution

The fourth proportional to 18,315.48, 25,275.96 and 11,946.24 is: 16,486.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,315.48 : 25,275.96 = 11,946.24 : x
  2. Step 2: Convert to fraction form
    18,315.48/25,275.96 = 11,946.24/x
  3. Step 3: Cross multiply
    18,315.48x = 25,275.96 × 11,946.24
  4. Step 4: Simplify right side
    18,315.48x = 301,952,684.39
  5. Step 5: Solve for x
    x = 301,952,684.39/18,315.48
  6. Step 6: Final answer
    x = 16,486.20

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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.