Home / 14,508.40-21,762.40-4,120.16

Finding the Fourth Proportional to 14,508.40, 21,762.40 and 4,120.16

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Solution

The fourth proportional to 14,508.40, 21,762.40 and 4,120.16 is: 6,180.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,508.40 : 21,762.40 = 4,120.16 : x
  2. Step 2: Convert to fraction form
    14,508.40/21,762.40 = 4,120.16/x
  3. Step 3: Cross multiply
    14,508.40x = 21,762.40 × 4,120.16
  4. Step 4: Simplify right side
    14,508.40x = 89,664,569.98
  5. Step 5: Solve for x
    x = 89,664,569.98/14,508.40
  6. Step 6: Final answer
    x = 6,180.18

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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.