Home / 14,372.98-21,534.80-11,420.53

Finding the Fourth Proportional to 14,372.98, 21,534.80 and 11,420.53

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Solution

The fourth proportional to 14,372.98, 21,534.80 and 11,420.53 is: 17,111.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,372.98 : 21,534.80 = 11,420.53 : x
  2. Step 2: Convert to fraction form
    14,372.98/21,534.80 = 11,420.53/x
  3. Step 3: Cross multiply
    14,372.98x = 21,534.80 × 11,420.53
  4. Step 4: Simplify right side
    14,372.98x = 245,938,718.50
  5. Step 5: Solve for x
    x = 245,938,718.50/14,372.98
  6. Step 6: Final answer
    x = 17,111.19

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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.