Home / 10,501.74-15,762.87-8,186.94

Finding the Fourth Proportional to 10,501.74, 15,762.87 and 8,186.94

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Solution

The fourth proportional to 10,501.74, 15,762.87 and 8,186.94 is: 12,288.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,501.74 : 15,762.87 = 8,186.94 : x
  2. Step 2: Convert to fraction form
    10,501.74/15,762.87 = 8,186.94/x
  3. Step 3: Cross multiply
    10,501.74x = 15,762.87 × 8,186.94
  4. Step 4: Simplify right side
    10,501.74x = 129,049,670.92
  5. Step 5: Solve for x
    x = 129,049,670.92/10,501.74
  6. Step 6: Final answer
    x = 12,288.41

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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.