Home / 11,012.64-15,199.68-10,127.04

Finding the Fourth Proportional to 11,012.64, 15,199.68 and 10,127.04

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Solution

The fourth proportional to 11,012.64, 15,199.68 and 10,127.04 is: 13,977.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,012.64 : 15,199.68 = 10,127.04 : x
  2. Step 2: Convert to fraction form
    11,012.64/15,199.68 = 10,127.04/x
  3. Step 3: Cross multiply
    11,012.64x = 15,199.68 × 10,127.04
  4. Step 4: Simplify right side
    11,012.64x = 153,927,767.35
  5. Step 5: Solve for x
    x = 153,927,767.35/11,012.64
  6. Step 6: Final answer
    x = 13,977.37

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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.