Home / 14,264.88-19,685.16-7,977.84

Finding the Fourth Proportional to 14,264.88, 19,685.16 and 7,977.84

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Solution

The fourth proportional to 14,264.88, 19,685.16 and 7,977.84 is: 11,009.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,264.88 : 19,685.16 = 7,977.84 : x
  2. Step 2: Convert to fraction form
    14,264.88/19,685.16 = 7,977.84/x
  3. Step 3: Cross multiply
    14,264.88x = 19,685.16 × 7,977.84
  4. Step 4: Simplify right side
    14,264.88x = 157,045,056.85
  5. Step 5: Solve for x
    x = 157,045,056.85/14,264.88
  6. Step 6: Final answer
    x = 11,009.21

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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.