Home / 8,330.76-12,501.58-7,663.32

Finding the Fourth Proportional to 8,330.76, 12,501.58 and 7,663.32

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Solution

The fourth proportional to 8,330.76, 12,501.58 and 7,663.32 is: 11,499.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,330.76 : 12,501.58 = 7,663.32 : x
  2. Step 2: Convert to fraction form
    8,330.76/12,501.58 = 7,663.32/x
  3. Step 3: Cross multiply
    8,330.76x = 12,501.58 × 7,663.32
  4. Step 4: Simplify right side
    8,330.76x = 95,803,608.05
  5. Step 5: Solve for x
    x = 95,803,608.05/8,330.76
  6. Step 6: Final answer
    x = 11,499.98

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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.