Home / 15,539.65-21,444.75-8,466.53

Finding the Fourth Proportional to 15,539.65, 21,444.75 and 8,466.53

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Solution

The fourth proportional to 15,539.65, 21,444.75 and 8,466.53 is: 11,683.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,539.65 : 21,444.75 = 8,466.53 : x
  2. Step 2: Convert to fraction form
    15,539.65/21,444.75 = 8,466.53/x
  3. Step 3: Cross multiply
    15,539.65x = 21,444.75 × 8,466.53
  4. Step 4: Simplify right side
    15,539.65x = 181,562,511.99
  5. Step 5: Solve for x
    x = 181,562,511.99/15,539.65
  6. Step 6: Final answer
    x = 11,683.82

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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.