Home / 10,384.67-15,580.65-6,484.52

Finding the Fourth Proportional to 10,384.67, 15,580.65 and 6,484.52

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Solution

The fourth proportional to 10,384.67, 15,580.65 and 6,484.52 is: 9,729.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,384.67 : 15,580.65 = 6,484.52 : x
  2. Step 2: Convert to fraction form
    10,384.67/15,580.65 = 6,484.52/x
  3. Step 3: Cross multiply
    10,384.67x = 15,580.65 × 6,484.52
  4. Step 4: Simplify right side
    10,384.67x = 101,033,036.54
  5. Step 5: Solve for x
    x = 101,033,036.54/10,384.67
  6. Step 6: Final answer
    x = 9,729.06

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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.