Home / 19,808.02-27,335.37-10,855.45

Finding the Fourth Proportional to 19,808.02, 27,335.37 and 10,855.45

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Solution

The fourth proportional to 19,808.02, 27,335.37 and 10,855.45 is: 14,980.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,808.02 : 27,335.37 = 10,855.45 : x
  2. Step 2: Convert to fraction form
    19,808.02/27,335.37 = 10,855.45/x
  3. Step 3: Cross multiply
    19,808.02x = 27,335.37 × 10,855.45
  4. Step 4: Simplify right side
    19,808.02x = 296,737,742.27
  5. Step 5: Solve for x
    x = 296,737,742.27/19,808.02
  6. Step 6: Final answer
    x = 14,980.69

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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.