Home / 19,665.02-27,137.60-10,712.53

Finding the Fourth Proportional to 19,665.02, 27,137.60 and 10,712.53

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Solution

The fourth proportional to 19,665.02, 27,137.60 and 10,712.53 is: 14,783.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,665.02 : 27,137.60 = 10,712.53 : x
  2. Step 2: Convert to fraction form
    19,665.02/27,137.60 = 10,712.53/x
  3. Step 3: Cross multiply
    19,665.02x = 27,137.60 × 10,712.53
  4. Step 4: Simplify right side
    19,665.02x = 290,712,452.32
  5. Step 5: Solve for x
    x = 290,712,452.32/19,665.02
  6. Step 6: Final answer
    x = 14,783.22

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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.