Home / 18,303.10-27,434.40-7,206.10

Finding the Fourth Proportional to 18,303.10, 27,434.40 and 7,206.10

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Solution

The fourth proportional to 18,303.10, 27,434.40 and 7,206.10 is: 10,801.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,303.10 : 27,434.40 = 7,206.10 : x
  2. Step 2: Convert to fraction form
    18,303.10/27,434.40 = 7,206.10/x
  3. Step 3: Cross multiply
    18,303.10x = 27,434.40 × 7,206.10
  4. Step 4: Simplify right side
    18,303.10x = 197,695,029.84
  5. Step 5: Solve for x
    x = 197,695,029.84/18,303.10
  6. Step 6: Final answer
    x = 10,801.18

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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.