Home / 11,384.47-15,710.64-6,349.01

Finding the Fourth Proportional to 11,384.47, 15,710.64 and 6,349.01

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Solution

The fourth proportional to 11,384.47, 15,710.64 and 6,349.01 is: 8,761.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,384.47 : 15,710.64 = 6,349.01 : x
  2. Step 2: Convert to fraction form
    11,384.47/15,710.64 = 6,349.01/x
  3. Step 3: Cross multiply
    11,384.47x = 15,710.64 × 6,349.01
  4. Step 4: Simplify right side
    11,384.47x = 99,746,994.59
  5. Step 5: Solve for x
    x = 99,746,994.59/11,384.47
  6. Step 6: Final answer
    x = 8,761.67

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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.