Home / 18,342.34-25,312.54-10,788.99

Finding the Fourth Proportional to 18,342.34, 25,312.54 and 10,788.99

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Solution

The fourth proportional to 18,342.34, 25,312.54 and 10,788.99 is: 14,888.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,342.34 : 25,312.54 = 10,788.99 : x
  2. Step 2: Convert to fraction form
    18,342.34/25,312.54 = 10,788.99/x
  3. Step 3: Cross multiply
    18,342.34x = 25,312.54 × 10,788.99
  4. Step 4: Simplify right side
    18,342.34x = 273,096,740.93
  5. Step 5: Solve for x
    x = 273,096,740.93/18,342.34
  6. Step 6: Final answer
    x = 14,888.87

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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.