Home / 21,389.16-32,075.52-7,346.56

Finding the Fourth Proportional to 21,389.16, 32,075.52 and 7,346.56

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Solution

The fourth proportional to 21,389.16, 32,075.52 and 7,346.56 is: 11,017.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,389.16 : 32,075.52 = 7,346.56 : x
  2. Step 2: Convert to fraction form
    21,389.16/32,075.52 = 7,346.56/x
  3. Step 3: Cross multiply
    21,389.16x = 32,075.52 × 7,346.56
  4. Step 4: Simplify right side
    21,389.16x = 235,644,732.21
  5. Step 5: Solve for x
    x = 235,644,732.21/21,389.16
  6. Step 6: Final answer
    x = 11,017.02

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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.