Home / 9,886.74-14,821.20-3,642.45

Finding the Fourth Proportional to 9,886.74, 14,821.20 and 3,642.45

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Solution

The fourth proportional to 9,886.74, 14,821.20 and 3,642.45 is: 5,460.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,886.74 : 14,821.20 = 3,642.45 : x
  2. Step 2: Convert to fraction form
    9,886.74/14,821.20 = 3,642.45/x
  3. Step 3: Cross multiply
    9,886.74x = 14,821.20 × 3,642.45
  4. Step 4: Simplify right side
    9,886.74x = 53,985,479.94
  5. Step 5: Solve for x
    x = 53,985,479.94/9,886.74
  6. Step 6: Final answer
    x = 5,460.39

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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.