Home / 15,690.84-23,539.76-5,302.32

Finding the Fourth Proportional to 15,690.84, 23,539.76 and 5,302.32

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Solution

The fourth proportional to 15,690.84, 23,539.76 and 5,302.32 is: 7,954.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,690.84 : 23,539.76 = 5,302.32 : x
  2. Step 2: Convert to fraction form
    15,690.84/23,539.76 = 5,302.32/x
  3. Step 3: Cross multiply
    15,690.84x = 23,539.76 × 5,302.32
  4. Step 4: Simplify right side
    15,690.84x = 124,815,340.24
  5. Step 5: Solve for x
    x = 124,815,340.24/15,690.84
  6. Step 6: Final answer
    x = 7,954.66

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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.