Home / 20,124.02-30,142.02-14,262.86

Finding the Fourth Proportional to 20,124.02, 30,142.02 and 14,262.86

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Solution

The fourth proportional to 20,124.02, 30,142.02 and 14,262.86 is: 21,363.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,124.02 : 30,142.02 = 14,262.86 : x
  2. Step 2: Convert to fraction form
    20,124.02/30,142.02 = 14,262.86/x
  3. Step 3: Cross multiply
    20,124.02x = 30,142.02 × 14,262.86
  4. Step 4: Simplify right side
    20,124.02x = 429,911,411.38
  5. Step 5: Solve for x
    x = 429,911,411.38/20,124.02
  6. Step 6: Final answer
    x = 21,363.10

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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.