Home / 17,438.39-26,156.89-7,439.01

Finding the Fourth Proportional to 17,438.39, 26,156.89 and 7,439.01

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Solution

The fourth proportional to 17,438.39, 26,156.89 and 7,439.01 is: 11,158.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,438.39 : 26,156.89 = 7,439.01 : x
  2. Step 2: Convert to fraction form
    17,438.39/26,156.89 = 7,439.01/x
  3. Step 3: Cross multiply
    17,438.39x = 26,156.89 × 7,439.01
  4. Step 4: Simplify right side
    17,438.39x = 194,581,277.49
  5. Step 5: Solve for x
    x = 194,581,277.49/17,438.39
  6. Step 6: Final answer
    x = 11,158.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.