Home / 10,554.39-15,833.63-3,158.21

Finding the Fourth Proportional to 10,554.39, 15,833.63 and 3,158.21

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Solution

The fourth proportional to 10,554.39, 15,833.63 and 3,158.21 is: 4,737.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,554.39 : 15,833.63 = 3,158.21 : x
  2. Step 2: Convert to fraction form
    10,554.39/15,833.63 = 3,158.21/x
  3. Step 3: Cross multiply
    10,554.39x = 15,833.63 × 3,158.21
  4. Step 4: Simplify right side
    10,554.39x = 50,005,912.81
  5. Step 5: Solve for x
    x = 50,005,912.81/10,554.39
  6. Step 6: Final answer
    x = 4,737.93

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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.