Home / 13,952.98-19,255.04-7,579.52

Finding the Fourth Proportional to 13,952.98, 19,255.04 and 7,579.52

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Solution

The fourth proportional to 13,952.98, 19,255.04 and 7,579.52 is: 10,459.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,952.98 : 19,255.04 = 7,579.52 : x
  2. Step 2: Convert to fraction form
    13,952.98/19,255.04 = 7,579.52/x
  3. Step 3: Cross multiply
    13,952.98x = 19,255.04 × 7,579.52
  4. Step 4: Simplify right side
    13,952.98x = 145,943,960.78
  5. Step 5: Solve for x
    x = 145,943,960.78/13,952.98
  6. Step 6: Final answer
    x = 10,459.70

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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.