Home / 14,188.80-21,389.46-13,237.32

Finding the Fourth Proportional to 14,188.80, 21,389.46 and 13,237.32

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Solution

The fourth proportional to 14,188.80, 21,389.46 and 13,237.32 is: 19,955.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,188.80 : 21,389.46 = 13,237.32 : x
  2. Step 2: Convert to fraction form
    14,188.80/21,389.46 = 13,237.32/x
  3. Step 3: Cross multiply
    14,188.80x = 21,389.46 × 13,237.32
  4. Step 4: Simplify right side
    14,188.80x = 283,139,126.65
  5. Step 5: Solve for x
    x = 283,139,126.65/14,188.80
  6. Step 6: Final answer
    x = 19,955.11

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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.