Home / 12,467.10-17,206.71-9,478.14

Finding the Fourth Proportional to 12,467.10, 17,206.71 and 9,478.14

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Solution

The fourth proportional to 12,467.10, 17,206.71 and 9,478.14 is: 13,081.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,467.10 : 17,206.71 = 9,478.14 : x
  2. Step 2: Convert to fraction form
    12,467.10/17,206.71 = 9,478.14/x
  3. Step 3: Cross multiply
    12,467.10x = 17,206.71 × 9,478.14
  4. Step 4: Simplify right side
    12,467.10x = 163,087,606.32
  5. Step 5: Solve for x
    x = 163,087,606.32/12,467.10
  6. Step 6: Final answer
    x = 13,081.44

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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.