Home / 10,100.30-13,937.40-5,849.60

Finding the Fourth Proportional to 10,100.30, 13,937.40 and 5,849.60

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Solution

The fourth proportional to 10,100.30, 13,937.40 and 5,849.60 is: 8,071.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,100.30 : 13,937.40 = 5,849.60 : x
  2. Step 2: Convert to fraction form
    10,100.30/13,937.40 = 5,849.60/x
  3. Step 3: Cross multiply
    10,100.30x = 13,937.40 × 5,849.60
  4. Step 4: Simplify right side
    10,100.30x = 81,528,215.04
  5. Step 5: Solve for x
    x = 81,528,215.04/10,100.30
  6. Step 6: Final answer
    x = 8,071.86

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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.