Home / 12,536.71-18,805.59-10,341.35

Finding the Fourth Proportional to 12,536.71, 18,805.59 and 10,341.35

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Solution

The fourth proportional to 12,536.71, 18,805.59 and 10,341.35 is: 15,512.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,536.71 : 18,805.59 = 10,341.35 : x
  2. Step 2: Convert to fraction form
    12,536.71/18,805.59 = 10,341.35/x
  3. Step 3: Cross multiply
    12,536.71x = 18,805.59 × 10,341.35
  4. Step 4: Simplify right side
    12,536.71x = 194,475,136.44
  5. Step 5: Solve for x
    x = 194,475,136.44/12,536.71
  6. Step 6: Final answer
    x = 15,512.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.