Home / 13,980.58-19,314.39-10,437.64

Finding the Fourth Proportional to 13,980.58, 19,314.39 and 10,437.64

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Solution

The fourth proportional to 13,980.58, 19,314.39 and 10,437.64 is: 14,419.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,980.58 : 19,314.39 = 10,437.64 : x
  2. Step 2: Convert to fraction form
    13,980.58/19,314.39 = 10,437.64/x
  3. Step 3: Cross multiply
    13,980.58x = 19,314.39 × 10,437.64
  4. Step 4: Simplify right side
    13,980.58x = 201,596,649.64
  5. Step 5: Solve for x
    x = 201,596,649.64/13,980.58
  6. Step 6: Final answer
    x = 14,419.76

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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.