Home / 14,285.34-21,434.31-4,926.78

Finding the Fourth Proportional to 14,285.34, 21,434.31 and 4,926.78

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Solution

The fourth proportional to 14,285.34, 21,434.31 and 4,926.78 is: 7,392.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,285.34 : 21,434.31 = 4,926.78 : x
  2. Step 2: Convert to fraction form
    14,285.34/21,434.31 = 4,926.78/x
  3. Step 3: Cross multiply
    14,285.34x = 21,434.31 × 4,926.78
  4. Step 4: Simplify right side
    14,285.34x = 105,602,129.82
  5. Step 5: Solve for x
    x = 105,602,129.82/14,285.34
  6. Step 6: Final answer
    x = 7,392.34

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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.