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Finding the Fourth Proportional to 14,365.51, 21,537.51 and 9,672.35

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Solution

The fourth proportional to 14,365.51, 21,537.51 and 9,672.35 is: 14,501.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,365.51 : 21,537.51 = 9,672.35 : x
  2. Step 2: Convert to fraction form
    14,365.51/21,537.51 = 9,672.35/x
  3. Step 3: Cross multiply
    14,365.51x = 21,537.51 × 9,672.35
  4. Step 4: Simplify right side
    14,365.51x = 208,318,295.35
  5. Step 5: Solve for x
    x = 208,318,295.35/14,365.51
  6. Step 6: Final answer
    x = 14,501.28

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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.