Home / 22,005.04-30,368.56-12,573.40

Finding the Fourth Proportional to 22,005.04, 30,368.56 and 12,573.40

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Solution

The fourth proportional to 22,005.04, 30,368.56 and 12,573.40 is: 17,352.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,005.04 : 30,368.56 = 12,573.40 : x
  2. Step 2: Convert to fraction form
    22,005.04/30,368.56 = 12,573.40/x
  3. Step 3: Cross multiply
    22,005.04x = 30,368.56 × 12,573.40
  4. Step 4: Simplify right side
    22,005.04x = 381,836,052.30
  5. Step 5: Solve for x
    x = 381,836,052.30/22,005.04
  6. Step 6: Final answer
    x = 17,352.21

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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.