Home / 12,656.99-17,467.40-7,281.18

Finding the Fourth Proportional to 12,656.99, 17,467.40 and 7,281.18

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Solution

The fourth proportional to 12,656.99, 17,467.40 and 7,281.18 is: 10,048.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,656.99 : 17,467.40 = 7,281.18 : x
  2. Step 2: Convert to fraction form
    12,656.99/17,467.40 = 7,281.18/x
  3. Step 3: Cross multiply
    12,656.99x = 17,467.40 × 7,281.18
  4. Step 4: Simplify right side
    12,656.99x = 127,183,247.13
  5. Step 5: Solve for x
    x = 127,183,247.13/12,656.99
  6. Step 6: Final answer
    x = 10,048.46

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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.