Home / 14,528.30-21,792.45-4,138.70

Finding the Fourth Proportional to 14,528.30, 21,792.45 and 4,138.70

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Solution

The fourth proportional to 14,528.30, 21,792.45 and 4,138.70 is: 6,208.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,528.30 : 21,792.45 = 4,138.70 : x
  2. Step 2: Convert to fraction form
    14,528.30/21,792.45 = 4,138.70/x
  3. Step 3: Cross multiply
    14,528.30x = 21,792.45 × 4,138.70
  4. Step 4: Simplify right side
    14,528.30x = 90,192,412.82
  5. Step 5: Solve for x
    x = 90,192,412.82/14,528.30
  6. Step 6: Final answer
    x = 6,208.05

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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.