Home / 22,293.02-33,436.79-12,938.13

Finding the Fourth Proportional to 22,293.02, 33,436.79 and 12,938.13

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Solution

The fourth proportional to 22,293.02, 33,436.79 and 12,938.13 is: 19,405.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,293.02 : 33,436.79 = 12,938.13 : x
  2. Step 2: Convert to fraction form
    22,293.02/33,436.79 = 12,938.13/x
  3. Step 3: Cross multiply
    22,293.02x = 33,436.79 × 12,938.13
  4. Step 4: Simplify right side
    22,293.02x = 432,609,368.62
  5. Step 5: Solve for x
    x = 432,609,368.62/22,293.02
  6. Step 6: Final answer
    x = 19,405.60

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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.