Home / 11,688.03-16,130.51-6,651.18

Finding the Fourth Proportional to 11,688.03, 16,130.51 and 6,651.18

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Solution

The fourth proportional to 11,688.03, 16,130.51 and 6,651.18 is: 9,179.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,688.03 : 16,130.51 = 6,651.18 : x
  2. Step 2: Convert to fraction form
    11,688.03/16,130.51 = 6,651.18/x
  3. Step 3: Cross multiply
    11,688.03x = 16,130.51 × 6,651.18
  4. Step 4: Simplify right side
    11,688.03x = 107,286,925.50
  5. Step 5: Solve for x
    x = 107,286,925.50/11,688.03
  6. Step 6: Final answer
    x = 9,179.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.