Home / 10,469.64-14,436.58-8,875.56

Finding the Fourth Proportional to 10,469.64, 14,436.58 and 8,875.56

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Solution

The fourth proportional to 10,469.64, 14,436.58 and 8,875.56 is: 12,238.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,469.64 : 14,436.58 = 8,875.56 : x
  2. Step 2: Convert to fraction form
    10,469.64/14,436.58 = 8,875.56/x
  3. Step 3: Cross multiply
    10,469.64x = 14,436.58 × 8,875.56
  4. Step 4: Simplify right side
    10,469.64x = 128,132,731.98
  5. Step 5: Solve for x
    x = 128,132,731.98/10,469.64
  6. Step 6: Final answer
    x = 12,238.50

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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.