Home / 13,693.01-20,539.47-3,304.76

Finding the Fourth Proportional to 13,693.01, 20,539.47 and 3,304.76

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Solution

The fourth proportional to 13,693.01, 20,539.47 and 3,304.76 is: 4,957.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,693.01 : 20,539.47 = 3,304.76 : x
  2. Step 2: Convert to fraction form
    13,693.01/20,539.47 = 3,304.76/x
  3. Step 3: Cross multiply
    13,693.01x = 20,539.47 × 3,304.76
  4. Step 4: Simplify right side
    13,693.01x = 67,878,018.88
  5. Step 5: Solve for x
    x = 67,878,018.88/13,693.01
  6. Step 6: Final answer
    x = 4,957.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.