Home / 13,312.43-18,374.35-8,006.22

Finding the Fourth Proportional to 13,312.43, 18,374.35 and 8,006.22

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Solution

The fourth proportional to 13,312.43, 18,374.35 and 8,006.22 is: 11,050.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,312.43 : 18,374.35 = 8,006.22 : x
  2. Step 2: Convert to fraction form
    13,312.43/18,374.35 = 8,006.22/x
  3. Step 3: Cross multiply
    13,312.43x = 18,374.35 × 8,006.22
  4. Step 4: Simplify right side
    13,312.43x = 147,109,088.46
  5. Step 5: Solve for x
    x = 147,109,088.46/13,312.43
  6. Step 6: Final answer
    x = 11,050.51

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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.