Home / 21,559.81-32,339.72-9,699.73

Finding the Fourth Proportional to 21,559.81, 32,339.72 and 9,699.73

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Solution

The fourth proportional to 21,559.81, 32,339.72 and 9,699.73 is: 14,549.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,559.81 : 32,339.72 = 9,699.73 : x
  2. Step 2: Convert to fraction form
    21,559.81/32,339.72 = 9,699.73/x
  3. Step 3: Cross multiply
    21,559.81x = 32,339.72 × 9,699.73
  4. Step 4: Simplify right side
    21,559.81x = 313,686,552.28
  5. Step 5: Solve for x
    x = 313,686,552.28/21,559.81
  6. Step 6: Final answer
    x = 14,549.60

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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.