Home / 18,423.36-27,643.20-9,656.18

Finding the Fourth Proportional to 18,423.36, 27,643.20 and 9,656.18

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Solution

The fourth proportional to 18,423.36, 27,643.20 and 9,656.18 is: 14,488.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,423.36 : 27,643.20 = 9,656.18 : x
  2. Step 2: Convert to fraction form
    18,423.36/27,643.20 = 9,656.18/x
  3. Step 3: Cross multiply
    18,423.36x = 27,643.20 × 9,656.18
  4. Step 4: Simplify right side
    18,423.36x = 266,927,714.98
  5. Step 5: Solve for x
    x = 266,927,714.98/18,423.36
  6. Step 6: Final answer
    x = 14,488.55

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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.