Home / 15,536.05-21,432.92-10,498.43

Finding the Fourth Proportional to 15,536.05, 21,432.92 and 10,498.43

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Solution

The fourth proportional to 15,536.05, 21,432.92 and 10,498.43 is: 14,483.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,536.05 : 21,432.92 = 10,498.43 : x
  2. Step 2: Convert to fraction form
    15,536.05/21,432.92 = 10,498.43/x
  3. Step 3: Cross multiply
    15,536.05x = 21,432.92 × 10,498.43
  4. Step 4: Simplify right side
    15,536.05x = 225,012,011.41
  5. Step 5: Solve for x
    x = 225,012,011.41/15,536.05
  6. Step 6: Final answer
    x = 14,483.22

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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.