Home / 13,980.03-19,293.81-10,437.09

Finding the Fourth Proportional to 13,980.03, 19,293.81 and 10,437.09

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Solution

The fourth proportional to 13,980.03, 19,293.81 and 10,437.09 is: 14,404.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,980.03 : 19,293.81 = 10,437.09 : x
  2. Step 2: Convert to fraction form
    13,980.03/19,293.81 = 10,437.09/x
  3. Step 3: Cross multiply
    13,980.03x = 19,293.81 × 10,437.09
  4. Step 4: Simplify right side
    13,980.03x = 201,371,179.23
  5. Step 5: Solve for x
    x = 201,371,179.23/13,980.03
  6. Step 6: Final answer
    x = 14,404.20

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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.