Home / 9,819.49-14,723.36-6,660.81

Finding the Fourth Proportional to 9,819.49, 14,723.36 and 6,660.81

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Solution

The fourth proportional to 9,819.49, 14,723.36 and 6,660.81 is: 9,987.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,819.49 : 14,723.36 = 6,660.81 : x
  2. Step 2: Convert to fraction form
    9,819.49/14,723.36 = 6,660.81/x
  3. Step 3: Cross multiply
    9,819.49x = 14,723.36 × 6,660.81
  4. Step 4: Simplify right side
    9,819.49x = 98,069,503.52
  5. Step 5: Solve for x
    x = 98,069,503.52/9,819.49
  6. Step 6: Final answer
    x = 9,987.23

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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.