Home / 14,403.21-19,870.25-8,735.80

Finding the Fourth Proportional to 14,403.21, 19,870.25 and 8,735.80

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Solution

The fourth proportional to 14,403.21, 19,870.25 and 8,735.80 is: 12,051.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,403.21 : 19,870.25 = 8,735.80 : x
  2. Step 2: Convert to fraction form
    14,403.21/19,870.25 = 8,735.80/x
  3. Step 3: Cross multiply
    14,403.21x = 19,870.25 × 8,735.80
  4. Step 4: Simplify right side
    14,403.21x = 173,582,386.92
  5. Step 5: Solve for x
    x = 173,582,386.92/14,403.21
  6. Step 6: Final answer
    x = 12,051.65

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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.