Home / 10,688.95-16,038.29-4,453.57

Finding the Fourth Proportional to 10,688.95, 16,038.29 and 4,453.57

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Solution

The fourth proportional to 10,688.95, 16,038.29 and 4,453.57 is: 6,682.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,688.95 : 16,038.29 = 4,453.57 : x
  2. Step 2: Convert to fraction form
    10,688.95/16,038.29 = 4,453.57/x
  3. Step 3: Cross multiply
    10,688.95x = 16,038.29 × 4,453.57
  4. Step 4: Simplify right side
    10,688.95x = 71,427,647.20
  5. Step 5: Solve for x
    x = 71,427,647.20/10,688.95
  6. Step 6: Final answer
    x = 6,682.38

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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.