Home / 10,160.40-14,021.79-5,684.13

Finding the Fourth Proportional to 10,160.40, 14,021.79 and 5,684.13

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Solution

The fourth proportional to 10,160.40, 14,021.79 and 5,684.13 is: 7,844.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,160.40 : 14,021.79 = 5,684.13 : x
  2. Step 2: Convert to fraction form
    10,160.40/14,021.79 = 5,684.13/x
  3. Step 3: Cross multiply
    10,160.40x = 14,021.79 × 5,684.13
  4. Step 4: Simplify right side
    10,160.40x = 79,701,677.19
  5. Step 5: Solve for x
    x = 79,701,677.19/10,160.40
  6. Step 6: Final answer
    x = 7,844.34

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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.