Home / 14,539.05-20,019.47-10,959.21

Finding the Fourth Proportional to 14,539.05, 20,019.47 and 10,959.21

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Solution

The fourth proportional to 14,539.05, 20,019.47 and 10,959.21 is: 15,090.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,539.05 : 20,019.47 = 10,959.21 : x
  2. Step 2: Convert to fraction form
    14,539.05/20,019.47 = 10,959.21/x
  3. Step 3: Cross multiply
    14,539.05x = 20,019.47 × 10,959.21
  4. Step 4: Simplify right side
    14,539.05x = 219,397,521.02
  5. Step 5: Solve for x
    x = 219,397,521.02/14,539.05
  6. Step 6: Final answer
    x = 15,090.22

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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.