Home / 19,803.45-27,328.77-10,851.30

Finding the Fourth Proportional to 19,803.45, 27,328.77 and 10,851.30

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Solution

The fourth proportional to 19,803.45, 27,328.77 and 10,851.30 is: 14,974.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,803.45 : 27,328.77 = 10,851.30 : x
  2. Step 2: Convert to fraction form
    19,803.45/27,328.77 = 10,851.30/x
  3. Step 3: Cross multiply
    19,803.45x = 27,328.77 × 10,851.30
  4. Step 4: Simplify right side
    19,803.45x = 296,552,681.90
  5. Step 5: Solve for x
    x = 296,552,681.90/19,803.45
  6. Step 6: Final answer
    x = 14,974.80

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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.