Home / 13,295.73-18,345.51-10,108.20

Finding the Fourth Proportional to 13,295.73, 18,345.51 and 10,108.20

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Solution

The fourth proportional to 13,295.73, 18,345.51 and 10,108.20 is: 13,947.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,295.73 : 18,345.51 = 10,108.20 : x
  2. Step 2: Convert to fraction form
    13,295.73/18,345.51 = 10,108.20/x
  3. Step 3: Cross multiply
    13,295.73x = 18,345.51 × 10,108.20
  4. Step 4: Simplify right side
    13,295.73x = 185,440,084.18
  5. Step 5: Solve for x
    x = 185,440,084.18/13,295.73
  6. Step 6: Final answer
    x = 13,947.34

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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.