Home / 14,109.64-19,426.96-11,980.68

Finding the Fourth Proportional to 14,109.64, 19,426.96 and 11,980.68

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Solution

The fourth proportional to 14,109.64, 19,426.96 and 11,980.68 is: 16,495.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,109.64 : 19,426.96 = 11,980.68 : x
  2. Step 2: Convert to fraction form
    14,109.64/19,426.96 = 11,980.68/x
  3. Step 3: Cross multiply
    14,109.64x = 19,426.96 × 11,980.68
  4. Step 4: Simplify right side
    14,109.64x = 232,748,191.13
  5. Step 5: Solve for x
    x = 232,748,191.13/14,109.64
  6. Step 6: Final answer
    x = 16,495.69

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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.