Home / 12,621.38-17,417.24-7,316.06

Finding the Fourth Proportional to 12,621.38, 17,417.24 and 7,316.06

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Solution

The fourth proportional to 12,621.38, 17,417.24 and 7,316.06 is: 10,096.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,621.38 : 17,417.24 = 7,316.06 : x
  2. Step 2: Convert to fraction form
    12,621.38/17,417.24 = 7,316.06/x
  3. Step 3: Cross multiply
    12,621.38x = 17,417.24 × 7,316.06
  4. Step 4: Simplify right side
    12,621.38x = 127,425,572.87
  5. Step 5: Solve for x
    x = 127,425,572.87/12,621.38
  6. Step 6: Final answer
    x = 10,096.01

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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.