Home / 12,808.76-19,210.70-4,041.32

Finding the Fourth Proportional to 12,808.76, 19,210.70 and 4,041.32

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Solution

The fourth proportional to 12,808.76, 19,210.70 and 4,041.32 is: 6,061.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,808.76 : 19,210.70 = 4,041.32 : x
  2. Step 2: Convert to fraction form
    12,808.76/19,210.70 = 4,041.32/x
  3. Step 3: Cross multiply
    12,808.76x = 19,210.70 × 4,041.32
  4. Step 4: Simplify right side
    12,808.76x = 77,636,469.86
  5. Step 5: Solve for x
    x = 77,636,469.86/12,808.76
  6. Step 6: Final answer
    x = 6,061.20

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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.