Home / 15,436.95-23,130.82-9,885.73

Finding the Fourth Proportional to 15,436.95, 23,130.82 and 9,885.73

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Solution

The fourth proportional to 15,436.95, 23,130.82 and 9,885.73 is: 14,812.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,436.95 : 23,130.82 = 9,885.73 : x
  2. Step 2: Convert to fraction form
    15,436.95/23,130.82 = 9,885.73/x
  3. Step 3: Cross multiply
    15,436.95x = 23,130.82 × 9,885.73
  4. Step 4: Simplify right side
    15,436.95x = 228,664,876.12
  5. Step 5: Solve for x
    x = 228,664,876.12/15,436.95
  6. Step 6: Final answer
    x = 14,812.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.