Home / 20,448.02-30,671.95-8,753.62

Finding the Fourth Proportional to 20,448.02, 30,671.95 and 8,753.62

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Solution

The fourth proportional to 20,448.02, 30,671.95 and 8,753.62 is: 13,130.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,448.02 : 30,671.95 = 8,753.62 : x
  2. Step 2: Convert to fraction form
    20,448.02/30,671.95 = 8,753.62/x
  3. Step 3: Cross multiply
    20,448.02x = 30,671.95 × 8,753.62
  4. Step 4: Simplify right side
    20,448.02x = 268,490,594.96
  5. Step 5: Solve for x
    x = 268,490,594.96/20,448.02
  6. Step 6: Final answer
    x = 13,130.40

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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.