Home / 15,539.87-21,444.93-8,466.27

Finding the Fourth Proportional to 15,539.87, 21,444.93 and 8,466.27

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Solution

The fourth proportional to 15,539.87, 21,444.93 and 8,466.27 is: 11,683.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,539.87 : 21,444.93 = 8,466.27 : x
  2. Step 2: Convert to fraction form
    15,539.87/21,444.93 = 8,466.27/x
  3. Step 3: Cross multiply
    15,539.87x = 21,444.93 × 8,466.27
  4. Step 4: Simplify right side
    15,539.87x = 181,558,567.51
  5. Step 5: Solve for x
    x = 181,558,567.51/15,539.87
  6. Step 6: Final answer
    x = 11,683.41

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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.