Home / 13,952.18-19,254-7,664.55

Finding the Fourth Proportional to 13,952.18, 19,254 and 7,664.55

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Solution

The fourth proportional to 13,952.18, 19,254 and 7,664.55 is: 10,577.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,952.18 : 19,254 = 7,664.55 : x
  2. Step 2: Convert to fraction form
    13,952.18/19,254 = 7,664.55/x
  3. Step 3: Cross multiply
    13,952.18x = 19,254 × 7,664.55
  4. Step 4: Simplify right side
    13,952.18x = 147,573,245.70
  5. Step 5: Solve for x
    x = 147,573,245.70/13,952.18
  6. Step 6: Final answer
    x = 10,577.08

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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.