Home / 14,285.36-21,425.16-4,924.88

Finding the Fourth Proportional to 14,285.36, 21,425.16 and 4,924.88

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Solution

The fourth proportional to 14,285.36, 21,425.16 and 4,924.88 is: 7,386.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,285.36 : 21,425.16 = 4,924.88 : x
  2. Step 2: Convert to fraction form
    14,285.36/21,425.16 = 4,924.88/x
  3. Step 3: Cross multiply
    14,285.36x = 21,425.16 × 4,924.88
  4. Step 4: Simplify right side
    14,285.36x = 105,516,341.98
  5. Step 5: Solve for x
    x = 105,516,341.98/14,285.36
  6. Step 6: Final answer
    x = 7,386.33

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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.