Home / 13,952.80-19,254.99-7,665.17

Finding the Fourth Proportional to 13,952.80, 19,254.99 and 7,665.17

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Solution

The fourth proportional to 13,952.80, 19,254.99 and 7,665.17 is: 10,578.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,952.80 : 19,254.99 = 7,665.17 : x
  2. Step 2: Convert to fraction form
    13,952.80/19,254.99 = 7,665.17/x
  3. Step 3: Cross multiply
    13,952.80x = 19,254.99 × 7,665.17
  4. Step 4: Simplify right side
    13,952.80x = 147,592,771.70
  5. Step 5: Solve for x
    x = 147,592,771.70/13,952.80
  6. Step 6: Final answer
    x = 10,578.00

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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.