Home / 15,141.60-20,895.90-9,474.54

Finding the Fourth Proportional to 15,141.60, 20,895.90 and 9,474.54

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Solution

The fourth proportional to 15,141.60, 20,895.90 and 9,474.54 is: 13,075.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,141.60 : 20,895.90 = 9,474.54 : x
  2. Step 2: Convert to fraction form
    15,141.60/20,895.90 = 9,474.54/x
  3. Step 3: Cross multiply
    15,141.60x = 20,895.90 × 9,474.54
  4. Step 4: Simplify right side
    15,141.60x = 197,979,040.39
  5. Step 5: Solve for x
    x = 197,979,040.39/15,141.60
  6. Step 6: Final answer
    x = 13,075.17

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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.