Home / 14,285.60-21,429.81-4,924.39

Finding the Fourth Proportional to 14,285.60, 21,429.81 and 4,924.39

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Solution

The fourth proportional to 14,285.60, 21,429.81 and 4,924.39 is: 7,387.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,285.60 : 21,429.81 = 4,924.39 : x
  2. Step 2: Convert to fraction form
    14,285.60/21,429.81 = 4,924.39/x
  3. Step 3: Cross multiply
    14,285.60x = 21,429.81 × 4,924.39
  4. Step 4: Simplify right side
    14,285.60x = 105,528,639.74
  5. Step 5: Solve for x
    x = 105,528,639.74/14,285.60
  6. Step 6: Final answer
    x = 7,387.06

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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.