Home / 11,586.00-15,988.69-6,280.81

Finding the Fourth Proportional to 11,586.00, 15,988.69 and 6,280.81

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Solution

The fourth proportional to 11,586.00, 15,988.69 and 6,280.81 is: 8,667.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,586.00 : 15,988.69 = 6,280.81 : x
  2. Step 2: Convert to fraction form
    11,586.00/15,988.69 = 6,280.81/x
  3. Step 3: Cross multiply
    11,586.00x = 15,988.69 × 6,280.81
  4. Step 4: Simplify right side
    11,586.00x = 100,421,891.92
  5. Step 5: Solve for x
    x = 100,421,891.92/11,586.00
  6. Step 6: Final answer
    x = 8,667.52

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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.