Home / 12,976.10-19,464.45-4,656.68

Finding the Fourth Proportional to 12,976.10, 19,464.45 and 4,656.68

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Solution

The fourth proportional to 12,976.10, 19,464.45 and 4,656.68 is: 6,985.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,976.10 : 19,464.45 = 4,656.68 : x
  2. Step 2: Convert to fraction form
    12,976.10/19,464.45 = 4,656.68/x
  3. Step 3: Cross multiply
    12,976.10x = 19,464.45 × 4,656.68
  4. Step 4: Simplify right side
    12,976.10x = 90,639,715.03
  5. Step 5: Solve for x
    x = 90,639,715.03/12,976.10
  6. Step 6: Final answer
    x = 6,985.13

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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.