Home / 19,659.02-27,130.08-10,706.80

Finding the Fourth Proportional to 19,659.02, 27,130.08 and 10,706.80

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Solution

The fourth proportional to 19,659.02, 27,130.08 and 10,706.80 is: 14,775.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,659.02 : 27,130.08 = 10,706.80 : x
  2. Step 2: Convert to fraction form
    19,659.02/27,130.08 = 10,706.80/x
  3. Step 3: Cross multiply
    19,659.02x = 27,130.08 × 10,706.80
  4. Step 4: Simplify right side
    19,659.02x = 290,476,340.54
  5. Step 5: Solve for x
    x = 290,476,340.54/19,659.02
  6. Step 6: Final answer
    x = 14,775.73

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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.