Home / 15,621.84-23,441.40-6,394.32

Finding the Fourth Proportional to 15,621.84, 23,441.40 and 6,394.32

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Solution

The fourth proportional to 15,621.84, 23,441.40 and 6,394.32 is: 9,595.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,621.84 : 23,441.40 = 6,394.32 : x
  2. Step 2: Convert to fraction form
    15,621.84/23,441.40 = 6,394.32/x
  3. Step 3: Cross multiply
    15,621.84x = 23,441.40 × 6,394.32
  4. Step 4: Simplify right side
    15,621.84x = 149,891,812.85
  5. Step 5: Solve for x
    x = 149,891,812.85/15,621.84
  6. Step 6: Final answer
    x = 9,595.02

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1.5x scale

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.