Home / 12,730.66-19,102.07-6,153.19

Finding the Fourth Proportional to 12,730.66, 19,102.07 and 6,153.19

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Solution

The fourth proportional to 12,730.66, 19,102.07 and 6,153.19 is: 9,232.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,730.66 : 19,102.07 = 6,153.19 : x
  2. Step 2: Convert to fraction form
    12,730.66/19,102.07 = 6,153.19/x
  3. Step 3: Cross multiply
    12,730.66x = 19,102.07 × 6,153.19
  4. Step 4: Simplify right side
    12,730.66x = 117,538,666.10
  5. Step 5: Solve for x
    x = 117,538,666.10/12,730.66
  6. Step 6: Final answer
    x = 9,232.72

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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.