Home / 18,140.04-27,228.60-9,381.24

Finding the Fourth Proportional to 18,140.04, 27,228.60 and 9,381.24

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Solution

The fourth proportional to 18,140.04, 27,228.60 and 9,381.24 is: 14,081.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,140.04 : 27,228.60 = 9,381.24 : x
  2. Step 2: Convert to fraction form
    18,140.04/27,228.60 = 9,381.24/x
  3. Step 3: Cross multiply
    18,140.04x = 27,228.60 × 9,381.24
  4. Step 4: Simplify right side
    18,140.04x = 255,438,031.46
  5. Step 5: Solve for x
    x = 255,438,031.46/18,140.04
  6. Step 6: Final answer
    x = 14,081.45

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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.