Home / 14,486.30-21,730.07-5,126.40

Finding the Fourth Proportional to 14,486.30, 21,730.07 and 5,126.40

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Solution

The fourth proportional to 14,486.30, 21,730.07 and 5,126.40 is: 7,689.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,486.30 : 21,730.07 = 5,126.40 : x
  2. Step 2: Convert to fraction form
    14,486.30/21,730.07 = 5,126.40/x
  3. Step 3: Cross multiply
    14,486.30x = 21,730.07 × 5,126.40
  4. Step 4: Simplify right side
    14,486.30x = 111,397,030.85
  5. Step 5: Solve for x
    x = 111,397,030.85/14,486.30
  6. Step 6: Final answer
    x = 7,689.82

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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.