Home / 14,140.24-21,210.40-4,906.24

Finding the Fourth Proportional to 14,140.24, 21,210.40 and 4,906.24

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Solution

The fourth proportional to 14,140.24, 21,210.40 and 4,906.24 is: 7,359.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,140.24 : 21,210.40 = 4,906.24 : x
  2. Step 2: Convert to fraction form
    14,140.24/21,210.40 = 4,906.24/x
  3. Step 3: Cross multiply
    14,140.24x = 21,210.40 × 4,906.24
  4. Step 4: Simplify right side
    14,140.24x = 104,063,312.90
  5. Step 5: Solve for x
    x = 104,063,312.90/14,140.24
  6. Step 6: Final answer
    x = 7,359.37

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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.