Home / 13,084.46-18,056.17-7,419.72

Finding the Fourth Proportional to 13,084.46, 18,056.17 and 7,419.72

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Solution

The fourth proportional to 13,084.46, 18,056.17 and 7,419.72 is: 10,239.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,084.46 : 18,056.17 = 7,419.72 : x
  2. Step 2: Convert to fraction form
    13,084.46/18,056.17 = 7,419.72/x
  3. Step 3: Cross multiply
    13,084.46x = 18,056.17 × 7,419.72
  4. Step 4: Simplify right side
    13,084.46x = 133,971,733.71
  5. Step 5: Solve for x
    x = 133,971,733.71/13,084.46
  6. Step 6: Final answer
    x = 10,239.00

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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.