Home / 22,053.04-30,432.18-12,621.40

Finding the Fourth Proportional to 22,053.04, 30,432.18 and 12,621.40

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Solution

The fourth proportional to 22,053.04, 30,432.18 and 12,621.40 is: 17,416.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,053.04 : 30,432.18 = 12,621.40 : x
  2. Step 2: Convert to fraction form
    22,053.04/30,432.18 = 12,621.40/x
  3. Step 3: Cross multiply
    22,053.04x = 30,432.18 × 12,621.40
  4. Step 4: Simplify right side
    22,053.04x = 384,096,716.65
  5. Step 5: Solve for x
    x = 384,096,716.65/22,053.04
  6. Step 6: Final answer
    x = 17,416.95

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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.