Home / 10,945-16,417.50-4,374.12

Finding the Fourth Proportional to 10,945, 16,417.50 and 4,374.12

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Solution

The fourth proportional to 10,945, 16,417.50 and 4,374.12 is: 6,561.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,945 : 16,417.50 = 4,374.12 : x
  2. Step 2: Convert to fraction form
    10,945/16,417.50 = 4,374.12/x
  3. Step 3: Cross multiply
    10,945x = 16,417.50 × 4,374.12
  4. Step 4: Simplify right side
    10,945x = 71,812,115.10
  5. Step 5: Solve for x
    x = 71,812,115.10/10,945
  6. Step 6: Final answer
    x = 6,561.18

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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.