Home / 10,219.77-14,095.19-6,630.81

Finding the Fourth Proportional to 10,219.77, 14,095.19 and 6,630.81

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Solution

The fourth proportional to 10,219.77, 14,095.19 and 6,630.81 is: 9,145.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,219.77 : 14,095.19 = 6,630.81 : x
  2. Step 2: Convert to fraction form
    10,219.77/14,095.19 = 6,630.81/x
  3. Step 3: Cross multiply
    10,219.77x = 14,095.19 × 6,630.81
  4. Step 4: Simplify right side
    10,219.77x = 93,462,493.65
  5. Step 5: Solve for x
    x = 93,462,493.65/10,219.77
  6. Step 6: Final answer
    x = 9,145.26

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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.