Home / 13,346.96-18,409.28-8,868.48

Finding the Fourth Proportional to 13,346.96, 18,409.28 and 8,868.48

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Solution

The fourth proportional to 13,346.96, 18,409.28 and 8,868.48 is: 12,232.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,346.96 : 18,409.28 = 8,868.48 : x
  2. Step 2: Convert to fraction form
    13,346.96/18,409.28 = 8,868.48/x
  3. Step 3: Cross multiply
    13,346.96x = 18,409.28 × 8,868.48
  4. Step 4: Simplify right side
    13,346.96x = 163,262,331.49
  5. Step 5: Solve for x
    x = 163,262,331.49/13,346.96
  6. Step 6: Final answer
    x = 12,232.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.