Home / 10,895.76-16,341.21-4,320.18

Finding the Fourth Proportional to 10,895.76, 16,341.21 and 4,320.18

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Solution

The fourth proportional to 10,895.76, 16,341.21 and 4,320.18 is: 6,479.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,895.76 : 16,341.21 = 4,320.18 : x
  2. Step 2: Convert to fraction form
    10,895.76/16,341.21 = 4,320.18/x
  3. Step 3: Cross multiply
    10,895.76x = 16,341.21 × 4,320.18
  4. Step 4: Simplify right side
    10,895.76x = 70,596,968.62
  5. Step 5: Solve for x
    x = 70,596,968.62/10,895.76
  6. Step 6: Final answer
    x = 6,479.31

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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.