Home / 19,899.47-27,461.40-10,946.75

Finding the Fourth Proportional to 19,899.47, 27,461.40 and 10,946.75

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Solution

The fourth proportional to 19,899.47, 27,461.40 and 10,946.75 is: 15,106.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,899.47 : 27,461.40 = 10,946.75 : x
  2. Step 2: Convert to fraction form
    19,899.47/27,461.40 = 10,946.75/x
  3. Step 3: Cross multiply
    19,899.47x = 27,461.40 × 10,946.75
  4. Step 4: Simplify right side
    19,899.47x = 300,612,902.09
  5. Step 5: Solve for x
    x = 300,612,902.09/19,899.47
  6. Step 6: Final answer
    x = 15,106.58

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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.