Home / 18,328.54-25,304.84-12,595.87

Finding the Fourth Proportional to 18,328.54, 25,304.84 and 12,595.87

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Solution

The fourth proportional to 18,328.54, 25,304.84 and 12,595.87 is: 17,390.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,328.54 : 25,304.84 = 12,595.87 : x
  2. Step 2: Convert to fraction form
    18,328.54/25,304.84 = 12,595.87/x
  3. Step 3: Cross multiply
    18,328.54x = 25,304.84 × 12,595.87
  4. Step 4: Simplify right side
    18,328.54x = 318,736,475.01
  5. Step 5: Solve for x
    x = 318,736,475.01/18,328.54
  6. Step 6: Final answer
    x = 17,390.17

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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.