Home / 10,384.61-15,548.66-8,790.83

Finding the Fourth Proportional to 10,384.61, 15,548.66 and 8,790.83

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Solution

The fourth proportional to 10,384.61, 15,548.66 and 8,790.83 is: 13,162.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,384.61 : 15,548.66 = 8,790.83 : x
  2. Step 2: Convert to fraction form
    10,384.61/15,548.66 = 8,790.83/x
  3. Step 3: Cross multiply
    10,384.61x = 15,548.66 × 8,790.83
  4. Step 4: Simplify right side
    10,384.61x = 136,685,596.36
  5. Step 5: Solve for x
    x = 136,685,596.36/10,384.61
  6. Step 6: Final answer
    x = 13,162.33

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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.