Home / 13,299.64-19,865.26-10,347.19

Finding the Fourth Proportional to 13,299.64, 19,865.26 and 10,347.19

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Solution

The fourth proportional to 13,299.64, 19,865.26 and 10,347.19 is: 15,455.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,299.64 : 19,865.26 = 10,347.19 : x
  2. Step 2: Convert to fraction form
    13,299.64/19,865.26 = 10,347.19/x
  3. Step 3: Cross multiply
    13,299.64x = 19,865.26 × 10,347.19
  4. Step 4: Simplify right side
    13,299.64x = 205,549,619.62
  5. Step 5: Solve for x
    x = 205,549,619.62/13,299.64
  6. Step 6: Final answer
    x = 15,455.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.