Home / 18,669.34-25,762.94-10,171.53

Finding the Fourth Proportional to 18,669.34, 25,762.94 and 10,171.53

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Solution

The fourth proportional to 18,669.34, 25,762.94 and 10,171.53 is: 14,036.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,669.34 : 25,762.94 = 10,171.53 : x
  2. Step 2: Convert to fraction form
    18,669.34/25,762.94 = 10,171.53/x
  3. Step 3: Cross multiply
    18,669.34x = 25,762.94 × 10,171.53
  4. Step 4: Simplify right side
    18,669.34x = 262,048,478.12
  5. Step 5: Solve for x
    x = 262,048,478.12/18,669.34
  6. Step 6: Final answer
    x = 14,036.30

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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.