Home / 11,153.04-16,740.09-8,475.18

Finding the Fourth Proportional to 11,153.04, 16,740.09 and 8,475.18

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Solution

The fourth proportional to 11,153.04, 16,740.09 and 8,475.18 is: 12,720.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,153.04 : 16,740.09 = 8,475.18 : x
  2. Step 2: Convert to fraction form
    11,153.04/16,740.09 = 8,475.18/x
  3. Step 3: Cross multiply
    11,153.04x = 16,740.09 × 8,475.18
  4. Step 4: Simplify right side
    11,153.04x = 141,875,275.97
  5. Step 5: Solve for x
    x = 141,875,275.97/11,153.04
  6. Step 6: Final answer
    x = 12,720.77

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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.