Home / 14,235.71-21,366.52-7,577.80

Finding the Fourth Proportional to 14,235.71, 21,366.52 and 7,577.80

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Solution

The fourth proportional to 14,235.71, 21,366.52 and 7,577.80 is: 11,373.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,235.71 : 21,366.52 = 7,577.80 : x
  2. Step 2: Convert to fraction form
    14,235.71/21,366.52 = 7,577.80/x
  3. Step 3: Cross multiply
    14,235.71x = 21,366.52 × 7,577.80
  4. Step 4: Simplify right side
    14,235.71x = 161,911,142.90
  5. Step 5: Solve for x
    x = 161,911,142.90/14,235.71
  6. Step 6: Final answer
    x = 11,373.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.