Home / 13,330.77-18,374.90-10,133.43

Finding the Fourth Proportional to 13,330.77, 18,374.90 and 10,133.43

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Solution

The fourth proportional to 13,330.77, 18,374.90 and 10,133.43 is: 13,967.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,330.77 : 18,374.90 = 10,133.43 : x
  2. Step 2: Convert to fraction form
    13,330.77/18,374.90 = 10,133.43/x
  3. Step 3: Cross multiply
    13,330.77x = 18,374.90 × 10,133.43
  4. Step 4: Simplify right side
    13,330.77x = 186,200,712.24
  5. Step 5: Solve for x
    x = 186,200,712.24/13,330.77
  6. Step 6: Final answer
    x = 13,967.74

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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.