Home / 10,038.30-13,855.17-6,681.25

Finding the Fourth Proportional to 10,038.30, 13,855.17 and 6,681.25

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Solution

The fourth proportional to 10,038.30, 13,855.17 and 6,681.25 is: 9,221.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,038.30 : 13,855.17 = 6,681.25 : x
  2. Step 2: Convert to fraction form
    10,038.30/13,855.17 = 6,681.25/x
  3. Step 3: Cross multiply
    10,038.30x = 13,855.17 × 6,681.25
  4. Step 4: Simplify right side
    10,038.30x = 92,569,854.56
  5. Step 5: Solve for x
    x = 92,569,854.56/10,038.30
  6. Step 6: Final answer
    x = 9,221.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.