Home / 13,958.04-19,242.18-9,977.70

Finding the Fourth Proportional to 13,958.04, 19,242.18 and 9,977.70

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Solution

The fourth proportional to 13,958.04, 19,242.18 and 9,977.70 is: 13,754.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,958.04 : 19,242.18 = 9,977.70 : x
  2. Step 2: Convert to fraction form
    13,958.04/19,242.18 = 9,977.70/x
  3. Step 3: Cross multiply
    13,958.04x = 19,242.18 × 9,977.70
  4. Step 4: Simplify right side
    13,958.04x = 191,992,699.39
  5. Step 5: Solve for x
    x = 191,992,699.39/13,958.04
  6. Step 6: Final answer
    x = 13,754.99

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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.