Home / 13,577.10-18,751.95-10,816.62

Finding the Fourth Proportional to 13,577.10, 18,751.95 and 10,816.62

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Solution

The fourth proportional to 13,577.10, 18,751.95 and 10,816.62 is: 14,939.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,577.10 : 18,751.95 = 10,816.62 : x
  2. Step 2: Convert to fraction form
    13,577.10/18,751.95 = 10,816.62/x
  3. Step 3: Cross multiply
    13,577.10x = 18,751.95 × 10,816.62
  4. Step 4: Simplify right side
    13,577.10x = 202,832,717.41
  5. Step 5: Solve for x
    x = 202,832,717.41/13,577.10
  6. Step 6: Final answer
    x = 14,939.33

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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.