Home / 13,248.74-18,282.90-7,280.41

Finding the Fourth Proportional to 13,248.74, 18,282.90 and 7,280.41

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Solution

The fourth proportional to 13,248.74, 18,282.90 and 7,280.41 is: 10,046.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,248.74 : 18,282.90 = 7,280.41 : x
  2. Step 2: Convert to fraction form
    13,248.74/18,282.90 = 7,280.41/x
  3. Step 3: Cross multiply
    13,248.74x = 18,282.90 × 7,280.41
  4. Step 4: Simplify right side
    13,248.74x = 133,106,971.59
  5. Step 5: Solve for x
    x = 133,106,971.59/13,248.74
  6. Step 6: Final answer
    x = 10,046.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.