Home / 12,170.04-18,255.40-8,036.52

Finding the Fourth Proportional to 12,170.04, 18,255.40 and 8,036.52

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Solution

The fourth proportional to 12,170.04, 18,255.40 and 8,036.52 is: 12,055.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,170.04 : 18,255.40 = 8,036.52 : x
  2. Step 2: Convert to fraction form
    12,170.04/18,255.40 = 8,036.52/x
  3. Step 3: Cross multiply
    12,170.04x = 18,255.40 × 8,036.52
  4. Step 4: Simplify right side
    12,170.04x = 146,709,887.21
  5. Step 5: Solve for x
    x = 146,709,887.21/12,170.04
  6. Step 6: Final answer
    x = 12,055.00

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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.