Home / 14,663.51-21,999.36-4,809.72

Finding the Fourth Proportional to 14,663.51, 21,999.36 and 4,809.72

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Solution

The fourth proportional to 14,663.51, 21,999.36 and 4,809.72 is: 7,215.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,663.51 : 21,999.36 = 4,809.72 : x
  2. Step 2: Convert to fraction form
    14,663.51/21,999.36 = 4,809.72/x
  3. Step 3: Cross multiply
    14,663.51x = 21,999.36 × 4,809.72
  4. Step 4: Simplify right side
    14,663.51x = 105,810,761.78
  5. Step 5: Solve for x
    x = 105,810,761.78/14,663.51
  6. Step 6: Final answer
    x = 7,215.92

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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.