Home / 9,938.40-13,715.70-6,575.34

Finding the Fourth Proportional to 9,938.40, 13,715.70 and 6,575.34

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Solution

The fourth proportional to 9,938.40, 13,715.70 and 6,575.34 is: 9,074.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,938.40 : 13,715.70 = 6,575.34 : x
  2. Step 2: Convert to fraction form
    9,938.40/13,715.70 = 6,575.34/x
  3. Step 3: Cross multiply
    9,938.40x = 13,715.70 × 6,575.34
  4. Step 4: Simplify right side
    9,938.40x = 90,185,390.84
  5. Step 5: Solve for x
    x = 90,185,390.84/9,938.40
  6. Step 6: Final answer
    x = 9,074.44

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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.