Home / 14,110.48-21,248.18-10,438.61

Finding the Fourth Proportional to 14,110.48, 21,248.18 and 10,438.61

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Solution

The fourth proportional to 14,110.48, 21,248.18 and 10,438.61 is: 15,718.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,110.48 : 21,248.18 = 10,438.61 : x
  2. Step 2: Convert to fraction form
    14,110.48/21,248.18 = 10,438.61/x
  3. Step 3: Cross multiply
    14,110.48x = 21,248.18 × 10,438.61
  4. Step 4: Simplify right side
    14,110.48x = 221,801,464.23
  5. Step 5: Solve for x
    x = 221,801,464.23/14,110.48
  6. Step 6: Final answer
    x = 15,718.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.