Home / 9,438.71-14,156.17-8,970.35

Finding the Fourth Proportional to 9,438.71, 14,156.17 and 8,970.35

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Solution

The fourth proportional to 9,438.71, 14,156.17 and 8,970.35 is: 13,453.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,438.71 : 14,156.17 = 8,970.35 : x
  2. Step 2: Convert to fraction form
    9,438.71/14,156.17 = 8,970.35/x
  3. Step 3: Cross multiply
    9,438.71x = 14,156.17 × 8,970.35
  4. Step 4: Simplify right side
    9,438.71x = 126,985,799.56
  5. Step 5: Solve for x
    x = 126,985,799.56/9,438.71
  6. Step 6: Final answer
    x = 13,453.72

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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.