Home / 13,703.73-18,895.38-10,123.87

Finding the Fourth Proportional to 13,703.73, 18,895.38 and 10,123.87

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Solution

The fourth proportional to 13,703.73, 18,895.38 and 10,123.87 is: 13,959.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,703.73 : 18,895.38 = 10,123.87 : x
  2. Step 2: Convert to fraction form
    13,703.73/18,895.38 = 10,123.87/x
  3. Step 3: Cross multiply
    13,703.73x = 18,895.38 × 10,123.87
  4. Step 4: Simplify right side
    13,703.73x = 191,294,276.24
  5. Step 5: Solve for x
    x = 191,294,276.24/13,703.73
  6. Step 6: Final answer
    x = 13,959.29

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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.