Home / 10,938.95-15,098.72-6,464.33

Finding the Fourth Proportional to 10,938.95, 15,098.72 and 6,464.33

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Solution

The fourth proportional to 10,938.95, 15,098.72 and 6,464.33 is: 8,922.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,938.95 : 15,098.72 = 6,464.33 : x
  2. Step 2: Convert to fraction form
    10,938.95/15,098.72 = 6,464.33/x
  3. Step 3: Cross multiply
    10,938.95x = 15,098.72 × 6,464.33
  4. Step 4: Simplify right side
    10,938.95x = 97,603,000.84
  5. Step 5: Solve for x
    x = 97,603,000.84/10,938.95
  6. Step 6: Final answer
    x = 8,922.52

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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.