Home / 11,228.02-16,842.30-6,285.40

Finding the Fourth Proportional to 11,228.02, 16,842.30 and 6,285.40

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Solution

The fourth proportional to 11,228.02, 16,842.30 and 6,285.40 is: 9,428.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,228.02 : 16,842.30 = 6,285.40 : x
  2. Step 2: Convert to fraction form
    11,228.02/16,842.30 = 6,285.40/x
  3. Step 3: Cross multiply
    11,228.02x = 16,842.30 × 6,285.40
  4. Step 4: Simplify right side
    11,228.02x = 105,860,592.42
  5. Step 5: Solve for x
    x = 105,860,592.42/11,228.02
  6. Step 6: Final answer
    x = 9,428.25

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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.