Home / 14,670.16-21,969.34-13,248.61

Finding the Fourth Proportional to 14,670.16, 21,969.34 and 13,248.61

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Solution

The fourth proportional to 14,670.16, 21,969.34 and 13,248.61 is: 19,840.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,670.16 : 21,969.34 = 13,248.61 : x
  2. Step 2: Convert to fraction form
    14,670.16/21,969.34 = 13,248.61/x
  3. Step 3: Cross multiply
    14,670.16x = 21,969.34 × 13,248.61
  4. Step 4: Simplify right side
    14,670.16x = 291,063,179.25
  5. Step 5: Solve for x
    x = 291,063,179.25/14,670.16
  6. Step 6: Final answer
    x = 19,840.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.