Home / 15,378.30-23,048.96-6,490.17

Finding the Fourth Proportional to 15,378.30, 23,048.96 and 6,490.17

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Solution

The fourth proportional to 15,378.30, 23,048.96 and 6,490.17 is: 9,727.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,378.30 : 23,048.96 = 6,490.17 : x
  2. Step 2: Convert to fraction form
    15,378.30/23,048.96 = 6,490.17/x
  3. Step 3: Cross multiply
    15,378.30x = 23,048.96 × 6,490.17
  4. Step 4: Simplify right side
    15,378.30x = 149,591,636.27
  5. Step 5: Solve for x
    x = 149,591,636.27/15,378.30
  6. Step 6: Final answer
    x = 9,727.45

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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.