Home / 13,056.65-18,018.12-7,088.27

Finding the Fourth Proportional to 13,056.65, 18,018.12 and 7,088.27

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Solution

The fourth proportional to 13,056.65, 18,018.12 and 7,088.27 is: 9,781.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,056.65 : 18,018.12 = 7,088.27 : x
  2. Step 2: Convert to fraction form
    13,056.65/18,018.12 = 7,088.27/x
  3. Step 3: Cross multiply
    13,056.65x = 18,018.12 × 7,088.27
  4. Step 4: Simplify right side
    13,056.65x = 127,717,299.45
  5. Step 5: Solve for x
    x = 127,717,299.45/13,056.65
  6. Step 6: Final answer
    x = 9,781.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.