Home / 15,536.45-21,440.95-8,463.26

Finding the Fourth Proportional to 15,536.45, 21,440.95 and 8,463.26

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Solution

The fourth proportional to 15,536.45, 21,440.95 and 8,463.26 is: 11,679.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,536.45 : 21,440.95 = 8,463.26 : x
  2. Step 2: Convert to fraction form
    15,536.45/21,440.95 = 8,463.26/x
  3. Step 3: Cross multiply
    15,536.45x = 21,440.95 × 8,463.26
  4. Step 4: Simplify right side
    15,536.45x = 181,460,206.13
  5. Step 5: Solve for x
    x = 181,460,206.13/15,536.45
  6. Step 6: Final answer
    x = 11,679.65

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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.