Home / 12,157.03-16,760.45-9,119.24

Finding the Fourth Proportional to 12,157.03, 16,760.45 and 9,119.24

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Solution

The fourth proportional to 12,157.03, 16,760.45 and 9,119.24 is: 12,572.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,157.03 : 16,760.45 = 9,119.24 : x
  2. Step 2: Convert to fraction form
    12,157.03/16,760.45 = 9,119.24/x
  3. Step 3: Cross multiply
    12,157.03x = 16,760.45 × 9,119.24
  4. Step 4: Simplify right side
    12,157.03x = 152,842,482.26
  5. Step 5: Solve for x
    x = 152,842,482.26/12,157.03
  6. Step 6: Final answer
    x = 12,572.36

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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.