Home / 13,256.93-18,294.90-7,288.75

Finding the Fourth Proportional to 13,256.93, 18,294.90 and 7,288.75

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Solution

The fourth proportional to 13,256.93, 18,294.90 and 7,288.75 is: 10,058.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256.93 : 18,294.90 = 7,288.75 : x
  2. Step 2: Convert to fraction form
    13,256.93/18,294.90 = 7,288.75/x
  3. Step 3: Cross multiply
    13,256.93x = 18,294.90 × 7,288.75
  4. Step 4: Simplify right side
    13,256.93x = 133,346,952.38
  5. Step 5: Solve for x
    x = 133,346,952.38/13,256.93
  6. Step 6: Final answer
    x = 10,058.66

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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.