Home / 15,539.84-21,444.90-8,466.56

Finding the Fourth Proportional to 15,539.84, 21,444.90 and 8,466.56

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Solution

The fourth proportional to 15,539.84, 21,444.90 and 8,466.56 is: 11,683.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,539.84 : 21,444.90 = 8,466.56 : x
  2. Step 2: Convert to fraction form
    15,539.84/21,444.90 = 8,466.56/x
  3. Step 3: Cross multiply
    15,539.84x = 21,444.90 × 8,466.56
  4. Step 4: Simplify right side
    15,539.84x = 181,564,532.54
  5. Step 5: Solve for x
    x = 181,564,532.54/15,539.84
  6. Step 6: Final answer
    x = 11,683.81

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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.