Home / 15,760.86-23,662.89-9,900.06

Finding the Fourth Proportional to 15,760.86, 23,662.89 and 9,900.06

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Solution

The fourth proportional to 15,760.86, 23,662.89 and 9,900.06 is: 14,863.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,760.86 : 23,662.89 = 9,900.06 : x
  2. Step 2: Convert to fraction form
    15,760.86/23,662.89 = 9,900.06/x
  3. Step 3: Cross multiply
    15,760.86x = 23,662.89 × 9,900.06
  4. Step 4: Simplify right side
    15,760.86x = 234,264,030.77
  5. Step 5: Solve for x
    x = 234,264,030.77/15,760.86
  6. Step 6: Final answer
    x = 14,863.66

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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.