Home / 15,536.48-21,426.42-10,230.16

Finding the Fourth Proportional to 15,536.48, 21,426.42 and 10,230.16

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Solution

The fourth proportional to 15,536.48, 21,426.42 and 10,230.16 is: 14,108.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,536.48 : 21,426.42 = 10,230.16 : x
  2. Step 2: Convert to fraction form
    15,536.48/21,426.42 = 10,230.16/x
  3. Step 3: Cross multiply
    15,536.48x = 21,426.42 × 10,230.16
  4. Step 4: Simplify right side
    15,536.48x = 219,195,704.83
  5. Step 5: Solve for x
    x = 219,195,704.83/15,536.48
  6. Step 6: Final answer
    x = 14,108.45

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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.