Home / 19,641.36-27,105.06-10,688.85

Finding the Fourth Proportional to 19,641.36, 27,105.06 and 10,688.85

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Solution

The fourth proportional to 19,641.36, 27,105.06 and 10,688.85 is: 14,750.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,641.36 : 27,105.06 = 10,688.85 : x
  2. Step 2: Convert to fraction form
    19,641.36/27,105.06 = 10,688.85/x
  3. Step 3: Cross multiply
    19,641.36x = 27,105.06 × 10,688.85
  4. Step 4: Simplify right side
    19,641.36x = 289,721,960.66
  5. Step 5: Solve for x
    x = 289,721,960.66/19,641.36
  6. Step 6: Final answer
    x = 14,750.60

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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.