Home / 10,888.41-16,332.53-2,990.91

Finding the Fourth Proportional to 10,888.41, 16,332.53 and 2,990.91

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Solution

The fourth proportional to 10,888.41, 16,332.53 and 2,990.91 is: 4,486.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,888.41 : 16,332.53 = 2,990.91 : x
  2. Step 2: Convert to fraction form
    10,888.41/16,332.53 = 2,990.91/x
  3. Step 3: Cross multiply
    10,888.41x = 16,332.53 × 2,990.91
  4. Step 4: Simplify right side
    10,888.41x = 48,849,127.30
  5. Step 5: Solve for x
    x = 48,849,127.30/10,888.41
  6. Step 6: Final answer
    x = 4,486.34

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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.