Home / 10,912.19-16,368.93-3,417.15

Finding the Fourth Proportional to 10,912.19, 16,368.93 and 3,417.15

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Solution

The fourth proportional to 10,912.19, 16,368.93 and 3,417.15 is: 5,125.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,912.19 : 16,368.93 = 3,417.15 : x
  2. Step 2: Convert to fraction form
    10,912.19/16,368.93 = 3,417.15/x
  3. Step 3: Cross multiply
    10,912.19x = 16,368.93 × 3,417.15
  4. Step 4: Simplify right side
    10,912.19x = 55,935,089.15
  5. Step 5: Solve for x
    x = 55,935,089.15/10,912.19
  6. Step 6: Final answer
    x = 5,125.93

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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.