Home / 21,574.38-32,365.26-9,888.60

Finding the Fourth Proportional to 21,574.38, 32,365.26 and 9,888.60

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Solution

The fourth proportional to 21,574.38, 32,365.26 and 9,888.60 is: 14,834.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,574.38 : 32,365.26 = 9,888.60 : x
  2. Step 2: Convert to fraction form
    21,574.38/32,365.26 = 9,888.60/x
  3. Step 3: Cross multiply
    21,574.38x = 32,365.26 × 9,888.60
  4. Step 4: Simplify right side
    21,574.38x = 320,047,110.04
  5. Step 5: Solve for x
    x = 320,047,110.04/21,574.38
  6. Step 6: Final answer
    x = 14,834.59

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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.