Home / 13,710.63-18,902.37-10,887.35

Finding the Fourth Proportional to 13,710.63, 18,902.37 and 10,887.35

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Solution

The fourth proportional to 13,710.63, 18,902.37 and 10,887.35 is: 15,010.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,710.63 : 18,902.37 = 10,887.35 : x
  2. Step 2: Convert to fraction form
    13,710.63/18,902.37 = 10,887.35/x
  3. Step 3: Cross multiply
    13,710.63x = 18,902.37 × 10,887.35
  4. Step 4: Simplify right side
    13,710.63x = 205,796,724.94
  5. Step 5: Solve for x
    x = 205,796,724.94/13,710.63
  6. Step 6: Final answer
    x = 15,010.01

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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.