Home / 10,989.36-16,484.03-7,298.79

Finding the Fourth Proportional to 10,989.36, 16,484.03 and 7,298.79

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Solution

The fourth proportional to 10,989.36, 16,484.03 and 7,298.79 is: 10,948.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,989.36 : 16,484.03 = 7,298.79 : x
  2. Step 2: Convert to fraction form
    10,989.36/16,484.03 = 7,298.79/x
  3. Step 3: Cross multiply
    10,989.36x = 16,484.03 × 7,298.79
  4. Step 4: Simplify right side
    10,989.36x = 120,313,473.32
  5. Step 5: Solve for x
    x = 120,313,473.32/10,989.36
  6. Step 6: Final answer
    x = 10,948.18

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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.