Home / 10,689.19-16,037.03-5,140.96

Finding the Fourth Proportional to 10,689.19, 16,037.03 and 5,140.96

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Solution

The fourth proportional to 10,689.19, 16,037.03 and 5,140.96 is: 7,713.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,689.19 : 16,037.03 = 5,140.96 : x
  2. Step 2: Convert to fraction form
    10,689.19/16,037.03 = 5,140.96/x
  3. Step 3: Cross multiply
    10,689.19x = 16,037.03 × 5,140.96
  4. Step 4: Simplify right side
    10,689.19x = 82,445,729.75
  5. Step 5: Solve for x
    x = 82,445,729.75/10,689.19
  6. Step 6: Final answer
    x = 7,713.00

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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.