Home / 10,070.97-15,110.73-5,389.77

Finding the Fourth Proportional to 10,070.97, 15,110.73 and 5,389.77

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Solution

The fourth proportional to 10,070.97, 15,110.73 and 5,389.77 is: 8,086.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,070.97 : 15,110.73 = 5,389.77 : x
  2. Step 2: Convert to fraction form
    10,070.97/15,110.73 = 5,389.77/x
  3. Step 3: Cross multiply
    10,070.97x = 15,110.73 × 5,389.77
  4. Step 4: Simplify right side
    10,070.97x = 81,443,359.23
  5. Step 5: Solve for x
    x = 81,443,359.23/10,070.97
  6. Step 6: Final answer
    x = 8,086.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.