Home / 14,412.30-21,626.55-7,838.95

Finding the Fourth Proportional to 14,412.30, 21,626.55 and 7,838.95

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Solution

The fourth proportional to 14,412.30, 21,626.55 and 7,838.95 is: 11,762.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,412.30 : 21,626.55 = 7,838.95 : x
  2. Step 2: Convert to fraction form
    14,412.30/21,626.55 = 7,838.95/x
  3. Step 3: Cross multiply
    14,412.30x = 21,626.55 × 7,838.95
  4. Step 4: Simplify right side
    14,412.30x = 169,529,444.12
  5. Step 5: Solve for x
    x = 169,529,444.12/14,412.30
  6. Step 6: Final answer
    x = 11,762.83

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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.