Home / 15,704.13-21,668.23-9,332.81

Finding the Fourth Proportional to 15,704.13, 21,668.23 and 9,332.81

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Solution

The fourth proportional to 15,704.13, 21,668.23 and 9,332.81 is: 12,877.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,704.13 : 21,668.23 = 9,332.81 : x
  2. Step 2: Convert to fraction form
    15,704.13/21,668.23 = 9,332.81/x
  3. Step 3: Cross multiply
    15,704.13x = 21,668.23 × 9,332.81
  4. Step 4: Simplify right side
    15,704.13x = 202,225,473.63
  5. Step 5: Solve for x
    x = 202,225,473.63/15,704.13
  6. Step 6: Final answer
    x = 12,877.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.