Home / 15,605.63-21,536.15-9,473.40

Finding the Fourth Proportional to 15,605.63, 21,536.15 and 9,473.40

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Solution

The fourth proportional to 15,605.63, 21,536.15 and 9,473.40 is: 13,073.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,605.63 : 21,536.15 = 9,473.40 : x
  2. Step 2: Convert to fraction form
    15,605.63/21,536.15 = 9,473.40/x
  3. Step 3: Cross multiply
    15,605.63x = 21,536.15 × 9,473.40
  4. Step 4: Simplify right side
    15,605.63x = 204,020,632.33
  5. Step 5: Solve for x
    x = 204,020,632.33/15,605.63
  6. Step 6: Final answer
    x = 13,073.53

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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.