Home / 18,088.90-27,141.16-9,767.26

Finding the Fourth Proportional to 18,088.90, 27,141.16 and 9,767.26

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Solution

The fourth proportional to 18,088.90, 27,141.16 and 9,767.26 is: 14,655.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,088.90 : 27,141.16 = 9,767.26 : x
  2. Step 2: Convert to fraction form
    18,088.90/27,141.16 = 9,767.26/x
  3. Step 3: Cross multiply
    18,088.90x = 27,141.16 × 9,767.26
  4. Step 4: Simplify right side
    18,088.90x = 265,094,766.42
  5. Step 5: Solve for x
    x = 265,094,766.42/18,088.90
  6. Step 6: Final answer
    x = 14,655.11

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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.