Home / 14,562.10-21,838.35-5,326.90

Finding the Fourth Proportional to 14,562.10, 21,838.35 and 5,326.90

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Solution

The fourth proportional to 14,562.10, 21,838.35 and 5,326.90 is: 7,988.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,562.10 : 21,838.35 = 5,326.90 : x
  2. Step 2: Convert to fraction form
    14,562.10/21,838.35 = 5,326.90/x
  3. Step 3: Cross multiply
    14,562.10x = 21,838.35 × 5,326.90
  4. Step 4: Simplify right side
    14,562.10x = 116,330,706.62
  5. Step 5: Solve for x
    x = 116,330,706.62/14,562.10
  6. Step 6: Final answer
    x = 7,988.59

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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.