Home / 13,980.28-19,294.15-10,437.34

Finding the Fourth Proportional to 13,980.28, 19,294.15 and 10,437.34

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Solution

The fourth proportional to 13,980.28, 19,294.15 and 10,437.34 is: 14,404.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,980.28 : 19,294.15 = 10,437.34 : x
  2. Step 2: Convert to fraction form
    13,980.28/19,294.15 = 10,437.34/x
  3. Step 3: Cross multiply
    13,980.28x = 19,294.15 × 10,437.34
  4. Step 4: Simplify right side
    13,980.28x = 201,379,529.23
  5. Step 5: Solve for x
    x = 201,379,529.23/13,980.28
  6. Step 6: Final answer
    x = 14,404.54

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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.