Home / 10,001.79-13,804.16-5,812.47

Finding the Fourth Proportional to 10,001.79, 13,804.16 and 5,812.47

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Solution

The fourth proportional to 10,001.79, 13,804.16 and 5,812.47 is: 8,022.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,001.79 : 13,804.16 = 5,812.47 : x
  2. Step 2: Convert to fraction form
    10,001.79/13,804.16 = 5,812.47/x
  3. Step 3: Cross multiply
    10,001.79x = 13,804.16 × 5,812.47
  4. Step 4: Simplify right side
    10,001.79x = 80,236,236.81
  5. Step 5: Solve for x
    x = 80,236,236.81/10,001.79
  6. Step 6: Final answer
    x = 8,022.19

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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.