Home / 20,152.04-30,240.22-14,356.84

Finding the Fourth Proportional to 20,152.04, 30,240.22 and 14,356.84

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Solution

The fourth proportional to 20,152.04, 30,240.22 and 14,356.84 is: 21,543.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,152.04 : 30,240.22 = 14,356.84 : x
  2. Step 2: Convert to fraction form
    20,152.04/30,240.22 = 14,356.84/x
  3. Step 3: Cross multiply
    20,152.04x = 30,240.22 × 14,356.84
  4. Step 4: Simplify right side
    20,152.04x = 434,154,000.10
  5. Step 5: Solve for x
    x = 434,154,000.10/20,152.04
  6. Step 6: Final answer
    x = 21,543.92

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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.