Home / 13,088.64-18,068.22-8,614.74

Finding the Fourth Proportional to 13,088.64, 18,068.22 and 8,614.74

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Solution

The fourth proportional to 13,088.64, 18,068.22 and 8,614.74 is: 11,892.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,088.64 : 18,068.22 = 8,614.74 : x
  2. Step 2: Convert to fraction form
    13,088.64/18,068.22 = 8,614.74/x
  3. Step 3: Cross multiply
    13,088.64x = 18,068.22 × 8,614.74
  4. Step 4: Simplify right side
    13,088.64x = 155,653,017.56
  5. Step 5: Solve for x
    x = 155,653,017.56/13,088.64
  6. Step 6: Final answer
    x = 11,892.22

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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.