Home / 21,381.10-32,075.16-6,590.02

Finding the Fourth Proportional to 21,381.10, 32,075.16 and 6,590.02

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Solution

The fourth proportional to 21,381.10, 32,075.16 and 6,590.02 is: 9,886.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,381.10 : 32,075.16 = 6,590.02 : x
  2. Step 2: Convert to fraction form
    21,381.10/32,075.16 = 6,590.02/x
  3. Step 3: Cross multiply
    21,381.10x = 32,075.16 × 6,590.02
  4. Step 4: Simplify right side
    21,381.10x = 211,375,945.90
  5. Step 5: Solve for x
    x = 211,375,945.90/21,381.10
  6. Step 6: Final answer
    x = 9,886.11

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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.