Home / 18,330.54-25,307.61-12,597.87

Finding the Fourth Proportional to 18,330.54, 25,307.61 and 12,597.87

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Solution

The fourth proportional to 18,330.54, 25,307.61 and 12,597.87 is: 17,392.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,330.54 : 25,307.61 = 12,597.87 : x
  2. Step 2: Convert to fraction form
    18,330.54/25,307.61 = 12,597.87/x
  3. Step 3: Cross multiply
    18,330.54x = 25,307.61 × 12,597.87
  4. Step 4: Simplify right side
    18,330.54x = 318,821,980.79
  5. Step 5: Solve for x
    x = 318,821,980.79/18,330.54
  6. Step 6: Final answer
    x = 17,392.94

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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.